#6C91EA
Closest named color: Cornflower Blue (#6495ED). oklch(66.9% 0.139 265.7), rgb(108, 145, 234).
Aa
Black text reads best on this color (6.87:1).
About this color
#6C91EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.139 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.012 away. Black text reads best on it, at 6.87:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.87:1 |
| White text | 3.05:1 |
Values
| HEX | #6C91EA |
| RGB | rgb(108, 145, 234) |
| HSL | hsl(222, 75%, 67%) |
| OKLCH | oklch(66.9% 0.139 265.7) |
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 #6C91EA | 3.05:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #6C91EA | 6.87:1 | AA | Lc 46.8 | Large or bold text, headings |
| #6C91EA text on white | 3.05:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #6C91EA text on black | 6.87:1 | AA | Lc -44.5 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ACC0ED
oklch(80.8% 0.068 266.1)
-
Step 400
400
#809FE5
oklch(70.7% 0.109 265.5)
-
Step 500
500 (this color)
#6C91EA
oklch(66.9% 0.139 265.7)
-
Step 600
600
#496DCB
oklch(55.6% 0.151 265.9)
-
Step 700
700
#3A5BAF
oklch(49.2% 0.139 265.5)
-
Step 800
800
#304A8E
oklch(42.6% 0.117 265.9)
-
Step 900
900
#2A3F71
oklch(37.7% 0.09 265.2)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#6C91EA 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) | #6D9AEE | 0.024 |
| Deuteranopia (no green cones) | #5E8EE8 | 0.019 |
| Tritanopia (no blue cones) | #26A4B2 | 0.124 |
| Achromatopsia (no color) | #939393 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C91EA
#6C91EA
oklch(66.9% 0.139 265.7)
- #BA8D00
#BA8D00
oklch(66.8% 0.137 85.8)
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 #6C91EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.012
- Soft Blue #6488EA ΔE 0.027
- Chefchaouen Blue #4895EF ΔE 0.034
- Dark Sky Blue #448EE4 ΔE 0.042
- Perrywinkle #8F8CE7 ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.056
- Dodger Blue #1E90FF ΔE 0.065
Use #6C91EA 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.