#748FF4
Closest named color: Cornflower Blue (#6495ED). oklch(67.5% 0.152 270.6), rgb(116, 143, 244).
Aa
Black text reads best on this color (6.97:1).
About this color
#748FF4 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.152 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.026 away. Black text reads best on it, at 6.97:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.97:1 |
| White text | 3.00:1 |
Values
| HEX | #748FF4 |
| RGB | rgb(116, 143, 244) |
| HSL | hsl(227, 85%, 71%) |
| OKLCH | oklch(67.5% 0.152 270.6) |
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 #748FF4 | 3.00:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #748FF4 | 6.97:1 | AA | Lc 47.4 | Large or bold text, headings |
| #748FF4 text on white | 3.00:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #748FF4 text on black | 6.97:1 | AA | Lc -45.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400 (this color)
#748FF4
oklch(67.5% 0.152 270.6)
-
Step 500
500
#5F7CFD
oklch(63.2% 0.194 270.4)
-
Step 600
600
#4960EC
oklch(55.5% 0.211 270.7)
-
Step 700
700
#3B4ECE
oklch(49.1% 0.197 270.7)
-
Step 800
800
#3041A6
oklch(42.6% 0.163 270.5)
-
Step 900
900
#2A3984
oklch(37.8% 0.127 270.6)
-
Step 950
950
#18224D
oklch(27% 0.08 270.4)
#748FF4 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) | #659BF8 | 0.032 |
| Deuteranopia (no green cones) | #578FF2 | 0.032 |
| Tritanopia (no blue cones) | #36A5B6 | 0.136 |
| Achromatopsia (no color) | #959595 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #748FF4
#748FF4
oklch(67.5% 0.152 270.6)
- #B79200
#B79200
oklch(67.5% 0.138 90.6)
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 #748FF4, closest first.
No curated palette has a color within ΔE 0.04 of #748FF4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.026
- Soft Blue #6488EA ΔE 0.031
- Lavender Blue #8B88F8 ΔE 0.034
- Perrywinkle #8F8CE7 ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.046
- Periwinkle #8E82FE ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.056
Use #748FF4 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.