#6C81FF
Closest named color: Cornflower (#6A79F7). oklch(65% 0.187 273), rgb(108, 129, 255).
Aa
Black text reads best on this color (6.22:1).
About this color
#6C81FF is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.187 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.022 away. Black text reads best on it, at 6.22:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.22:1 |
| White text | 3.37:1 |
Values
| HEX | #6C81FF |
| RGB | rgb(108, 129, 255) |
| HSL | hsl(231, 100%, 71%) |
| OKLCH | oklch(65% 0.187 273) |
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 #6C81FF | 3.37:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #6C81FF | 6.22:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #6C81FF text on white | 3.37:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #6C81FF text on black | 6.22:1 | AA | Lc -40.8 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FC
oklch(88.6% 0.051 273.1)
-
Step 300
300
#ADBDFC
oklch(80.9% 0.091 273.2)
-
Step 400
400
#8398FB
oklch(70.6% 0.147 273.1)
-
Step 500
500 (this color)
#6C81FF
oklch(65% 0.187 273)
-
Step 600
600
#5160E7
oklch(55.6% 0.203 273.1)
-
Step 700
700
#424EC9
oklch(49% 0.189 273)
-
Step 800
800
#3641A3
oklch(42.7% 0.157 272.9)
-
Step 900
900
#2E3881
oklch(37.6% 0.123 273.2)
-
Step 950
950
#1B224B
oklch(27% 0.076 273)
#6C81FF 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) | #3F92FF | 0.055 |
| Deuteranopia (no green cones) | #2286FC | 0.061 |
| Tritanopia (no blue cones) | #009EB4 | 0.165 |
| Achromatopsia (no color) | #8C8C8C | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C81FF
#6C81FF
oklch(65% 0.187 273)
- #AB8C00
#AB8C00
oklch(65% 0.133 93.1)
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 #6C81FF, closest first.
No curated palette has a color within ΔE 0.04 of #6C81FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.022
- Soft Blue #6488EA ΔE 0.039
- Periwinkle #8E82FE ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.062
- Dodger Blue #1E90FF ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.066
Use #6C81FF 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.