#7B91EF
Closest named color: Cornflower Blue (#6495ED). oklch(68.1% 0.141 272.2), rgb(123, 145, 239).
Aa
Black text reads best on this color (7.13:1).
About this color
#7B91EF is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.141 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.027 away. Black text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #7B91EF |
| RGB | rgb(123, 145, 239) |
| HSL | hsl(229, 78%, 71%) |
| OKLCH | oklch(68.1% 0.141 272.2) |
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 #7B91EF | 2.94:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #7B91EF | 7.13:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #7B91EF text on white | 2.94:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #7B91EF text on black | 7.13:1 | AAA | Lc -46.0 | 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
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEFA
oklch(81% 0.087 272.1)
-
Step 400
400 (this color)
#7B91EF
oklch(68.1% 0.141 272.2)
-
Step 500
500
#667DF5
oklch(63.2% 0.18 272.1)
-
Step 600
600
#5062E3
oklch(55.6% 0.195 272.4)
-
Step 700
700
#4150C6
oklch(49.1% 0.183 272.3)
-
Step 800
800
#3542A0
oklch(42.6% 0.152 272.3)
-
Step 900
900
#2D397F
oklch(37.6% 0.118 272.1)
-
Step 950
950
#1A224A
oklch(26.9% 0.075 272)
#7B91EF 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) | #6C9CF3 | 0.031 |
| Deuteranopia (no green cones) | #6192ED | 0.030 |
| Tritanopia (no blue cones) | #4CA5B4 | 0.127 |
| Achromatopsia (no color) | #969696 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B91EF
#7B91EF
oklch(68.1% 0.141 272.2)
- #B79500
#B79500
oklch(68.1% 0.139 92.5)
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 #7B91EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.027
- Perrywinkle #8F8CE7 ΔE 0.029
- Lavender Blue #8B88F8 ΔE 0.034
- Periwinkle Blue #8F99FB ΔE 0.038
- Soft Blue #6488EA ΔE 0.039
- Periwinkle #8E82FE ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.062
Use #7B91EF 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.