#6381F2
Closest named color: Cornflower (#6A79F7). oklch(63.6% 0.172 269.8), rgb(99, 129, 242).
Aa
Black text reads best on this color (5.95:1).
About this color
#6381F2 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.172 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.023 away. Black text reads best on it, at 5.95:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #6381F2 |
| RGB | rgb(99, 129, 242) |
| HSL | hsl(227, 85%, 67%) |
| OKLCH | oklch(63.6% 0.172 269.8) |
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 #6381F2 | 3.52:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #6381F2 | 5.95:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #6381F2 text on white | 3.52:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #6381F2 text on black | 5.95:1 | AA | Lc -39.1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ABBFF8
oklch(81% 0.084 269.5)
-
Step 400
400
#809BF4
oklch(70.7% 0.134 269.9)
-
Step 500
500 (this color)
#6381F2
oklch(63.6% 0.172 269.8)
-
Step 600
600
#4A66DF
oklch(55.7% 0.187 269.6)
-
Step 700
700
#3C53C1
oklch(49% 0.174 269.9)
-
Step 800
800
#31459C
oklch(42.6% 0.143 269.6)
-
Step 900
900
#2B3B7C
oklch(37.7% 0.112 269.9)
-
Step 950
950
#192349
oklch(27% 0.072 270)
#6381F2 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) | #4A8FF6 | 0.039 |
| Deuteranopia (no green cones) | #3282F0 | 0.044 |
| Tritanopia (no blue cones) | #009BAE | 0.150 |
| Achromatopsia (no color) | #888888 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6381F2
#6381F2
oklch(63.6% 0.172 269.8)
- #AA8600
#AA8600
oklch(63.6% 0.13 89.6)
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 #6381F2, closest first.
No curated palette has a color within ΔE 0.04 of #6381F2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.023
- Soft Blue #6488EA ΔE 0.023
- Dark Sky Blue #448EE4 ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.058
- Periwinkle #8E82FE ΔE 0.060
Use #6381F2 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.