#7B91EC
Closest named color: Cornflower Blue (#6495ED). oklch(67.9% 0.137 272), rgb(123, 145, 236).
Aa
Black text reads best on this color (7.10:1).
About this color
#7B91EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.137 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 7.10:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #7B91EC |
| RGB | rgb(123, 145, 236) |
| HSL | hsl(228, 75%, 70%) |
| OKLCH | oklch(67.9% 0.137 272) |
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 #7B91EC | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #7B91EC | 7.10:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #7B91EC text on white | 2.95:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #7B91EC text on black | 7.10:1 | AAA | Lc -45.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300
#ADBEF9
oklch(81% 0.086 271.9)
-
Step 400
400 (this color)
#7B91EC
oklch(67.9% 0.137 272)
-
Step 500
500
#667DF2
oklch(63% 0.176 272.1)
-
Step 600
600
#5063E0
oklch(55.5% 0.19 272.2)
-
Step 700
700
#4151C3
oklch(49% 0.178 272.1)
-
Step 800
800
#35439D
oklch(42.6% 0.146 272)
-
Step 900
900
#2E3A7D
oklch(37.7% 0.114 272.2)
-
Step 950
950
#1B2349
oklch(27.1% 0.071 272)
#7B91EC 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) | #6E9BF0 | 0.028 |
| Deuteranopia (no green cones) | #6392EA | 0.028 |
| Tritanopia (no blue cones) | #4EA4B3 | 0.122 |
| Achromatopsia (no color) | #969696 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B91EC
#7B91EC
oklch(67.9% 0.137 272)
- #B6940B
#B6940B
oklch(67.8% 0.137 92.1)
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 #7B91EC, 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 0.028
- Lavender Blue #8B88F8 ΔE 0.037
- Soft Blue #6488EA ΔE 0.039
- Periwinkle Blue #8F99FB ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.051
- Periwinkle #8E82FE ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.060
Use #7B91EC 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.