#748EEB
Closest named color: Cornflower Blue (#6495ED). oklch(66.8% 0.141 270.4), rgb(116, 142, 235).
Aa
Black text reads best on this color (6.81:1).
About this color
#748EEB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.141 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.023 away. Black text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #748EEB |
| RGB | rgb(116, 142, 235) |
| HSL | hsl(227, 75%, 69%) |
| OKLCH | oklch(66.8% 0.141 270.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #748EEB | 3.08:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #748EEB | 6.81:1 | AA | Lc 46.4 | Large or bold text, headings |
| #748EEB text on white | 3.08:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #748EEB text on black | 6.81:1 | AA | Lc -44.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF8
oklch(93.7% 0.02 270.2)
-
Step 200
200
#CFD8F3
oklch(88.4% 0.038 271)
-
Step 300
300
#AFBFEE
oklch(80.9% 0.069 270.1)
-
Step 400
400
#869DE6
oklch(70.8% 0.11 270.1)
-
Step 500
500 (this color)
#748EEB
oklch(66.8% 0.141 270.4)
-
Step 600
600
#526ACC
oklch(55.6% 0.153 270.4)
-
Step 700
700
#4358B1
oklch(49.2% 0.143 270.4)
-
Step 800
800
#37488F
oklch(42.6% 0.119 270.5)
-
Step 900
900
#2F3D72
oklch(37.6% 0.092 270.3)
-
Step 950
950
#1C2443
oklch(27% 0.059 271.1)
#748EEB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6998EF | 0.027 |
| Deuteranopia (no green cones) | #5C8EE9 | 0.027 |
| Tritanopia (no blue cones) | #3FA2B1 | 0.127 |
| Achromatopsia (no color) | #939393 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #748EEB
#748EEB
oklch(66.8% 0.141 270.4)
- #B59000
#B59000
oklch(66.9% 0.137 90.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #748EEB, closest first.
No curated palette has a color within ΔE 0.04 of #748EEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.023
- Soft Blue #6488EA ΔE 0.026
- Perrywinkle #8F8CE7 ΔE 0.035
- Lavender Blue #8B88F8 ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.052
- Periwinkle #8E82FE ΔE 0.055
Use #748EEB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.