#748CEE
Closest named color: Soft Blue (#6488EA). oklch(66.6% 0.148 271.5), rgb(116, 140, 238).
Aa
Black text reads best on this color (6.72:1).
About this color
#748CEE is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.148 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.024 away. Black text reads best on it, at 6.72:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.72:1 |
| White text | 3.12:1 |
Values
| HEX | #748CEE |
| RGB | rgb(116, 140, 238) |
| HSL | hsl(228, 78%, 69%) |
| OKLCH | oklch(66.6% 0.148 271.5) |
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 #748CEE | 3.12:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #748CEE | 6.72:1 | AA | Lc 46.0 | Large or bold text, headings |
| #748CEE text on white | 3.12:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #748CEE text on black | 6.72:1 | AA | Lc -43.7 | 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
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#AFBFF0
oklch(80.9% 0.072 270.6)
-
Step 400
400
#879CE9
oklch(70.8% 0.115 271.6)
-
Step 500
500 (this color)
#748CEE
oklch(66.6% 0.148 271.5)
-
Step 600
600
#5368D0
oklch(55.5% 0.161 271.6)
-
Step 700
700
#4456B4
oklch(49% 0.15 271.7)
-
Step 800
800
#384792
oklch(42.7% 0.124 271.7)
-
Step 900
900
#303C74
oklch(37.6% 0.096 271.9)
-
Step 950
950
#1C2444
oklch(27.1% 0.06 271.3)
#748CEE 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) | #6497F2 | 0.031 |
| Deuteranopia (no green cones) | #578DEC | 0.032 |
| Tritanopia (no blue cones) | #3DA1B1 | 0.132 |
| Achromatopsia (no color) | #929292 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #748CEE
#748CEE
oklch(66.6% 0.148 271.5)
- #B39000
#B39000
oklch(66.7% 0.136 91.4)
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 #748CEE, closest first.
No curated palette has a color within ΔE 0.04 of #748CEE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.024
- Cornflower Blue #6495ED ΔE 0.028
- Lavender Blue #8B88F8 ΔE 0.035
- Perrywinkle #8F8CE7 ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.046
- Periwinkle #8E82FE ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.052
- Periwinkle Blue #8F99FB ΔE 0.053
Use #748CEE 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.