#6D91DF
Closest named color: Cornflower Blue (#6495ED). oklch(66.4% 0.123 264.5), rgb(109, 145, 223).
Aa
Black text reads best on this color (6.76:1).
About this color
#6D91DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.123 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.022 away. Black text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.76:1 |
| White text | 3.10:1 |
Values
| HEX | #6D91DF |
| RGB | rgb(109, 145, 223) |
| HSL | hsl(221, 64%, 65%) |
| OKLCH | oklch(66.4% 0.123 264.5) |
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 #6D91DF | 3.10:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #6D91DF | 6.76:1 | AA | Lc 46.2 | Large or bold text, headings |
| #6D91DF text on white | 3.10:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #6D91DF text on black | 6.76:1 | AA | Lc -43.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9F0
oklch(88.4% 0.034 265.2)
-
Step 300
300
#ADC1E9
oklch(80.9% 0.061 264.2)
-
Step 400
400
#82A0DD
oklch(70.7% 0.096 263.9)
-
Step 500
500 (this color)
#6D91DF
oklch(66.4% 0.123 264.5)
-
Step 600
600
#4B6FC1
oklch(55.5% 0.134 264.6)
-
Step 700
700
#3C5DA7
oklch(49.2% 0.125 264.2)
-
Step 800
800
#324C87
oklch(42.7% 0.103 264.5)
-
Step 900
900
#2C406C
oklch(37.7% 0.08 264.4)
-
Step 950
950
#1A263F
oklch(27.1% 0.05 263.9)
#6D91DF 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) | #7398E2 | 0.021 |
| Deuteranopia (no green cones) | #668DDD | 0.014 |
| Tritanopia (no blue cones) | #37A2AE | 0.110 |
| Achromatopsia (no color) | #929292 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D91DF
#6D91DF
oklch(66.4% 0.123 264.5)
- #B68C26
#B68C26
oklch(66.3% 0.124 84.7)
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 #6D91DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.022
- Soft Blue #6488EA ΔE 0.034
- Chefchaouen Blue #4895EF ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.042
- Perrywinkle #8F8CE7 ΔE 0.047
- Faded Blue #658CBB ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.064
Use #6D91DF 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.