#6B91DA
Closest named color: Cornflower Blue (#6495ED). oklch(66% 0.117 262.6), rgb(107, 145, 218).
Aa
Black text reads best on this color (6.68:1).
About this color
#6B91DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.117 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 6.68:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.68:1 |
| White text | 3.14:1 |
Values
| HEX | #6B91DA |
| RGB | rgb(107, 145, 218) |
| HSL | hsl(219, 60%, 64%) |
| OKLCH | oklch(66% 0.117 262.6) |
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 #6B91DA | 3.14:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #6B91DA | 6.68:1 | AA | Lc 45.7 | Large or bold text, headings |
| #6B91DA text on white | 3.14:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #6B91DA text on black | 6.68:1 | AA | Lc -43.4 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ADC1E7
oklch(80.9% 0.058 263.2)
-
Step 400
400
#82A1DA
oklch(70.8% 0.091 262.2)
-
Step 500
500 (this color)
#6B91DA
oklch(66% 0.117 262.6)
-
Step 600
600
#4A71BD
oklch(55.7% 0.126 262.5)
-
Step 700
700
#3B5EA3
oklch(49.1% 0.118 262.6)
-
Step 800
800
#314D84
oklch(42.7% 0.098 262.6)
-
Step 900
900
#2B416A
oklch(37.8% 0.076 262)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#6B91DA 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) | #7597DD | 0.021 |
| Deuteranopia (no green cones) | #688DD8 | 0.012 |
| Tritanopia (no blue cones) | #36A1AB | 0.106 |
| Achromatopsia (no color) | #919191 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B91DA
#6B91DA
oklch(66% 0.117 262.6)
- #B58B2F
#B58B2F
oklch(66.1% 0.118 83.2)
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 #6B91DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.028
- Soft Blue #6488EA ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.042
- Faded Blue #658CBB ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.071
Use #6B91DA 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.