#6371FE
Closest named color: Cornflower (#6A79F7). oklch(61.4% 0.207 274.3), rgb(99, 113, 254).
Aa
Black text reads best on this color (5.32:1).
About this color
#6371FE is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.207 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.025 away. Black text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #6371FE |
| RGB | rgb(99, 113, 254) |
| HSL | hsl(235, 99%, 69%) |
| OKLCH | oklch(61.4% 0.207 274.3) |
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 #6371FE | 3.94:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #6371FE | 5.32:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #6371FE text on white | 3.94:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #6371FE text on black | 5.32:1 | AA | Lc -35.2 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300
#ADBCFF
oklch(80.8% 0.096 274.3)
-
Step 400
400
#8497FF
oklch(70.7% 0.153 274)
-
Step 500
500 (this color)
#6371FE
oklch(61.4% 0.207 274.3)
-
Step 600
600
#525AF3
oklch(55.6% 0.225 274.1)
-
Step 700
700
#4448D4
oklch(49.1% 0.21 274.3)
-
Step 800
800
#373CAB
oklch(42.6% 0.174 274.3)
-
Step 900
900
#2F3688
oklch(37.9% 0.135 274.3)
-
Step 950
950
#1B204F
oklch(26.9% 0.086 274.6)
#6371FE 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) | #0087FF | 0.073 |
| Deuteranopia (no green cones) | #007AFB | 0.065 |
| Tritanopia (no blue cones) | #0093AD | 0.176 |
| Achromatopsia (no color) | #808080 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6371FE
#6371FE
oklch(61.4% 0.207 274.3)
- #9D8200
#9D8200
oklch(61.4% 0.126 94.3)
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 #6371FE, closest first.
No curated palette has a color within ΔE 0.04 of #6371FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.025
- Medium Slate Blue #7B68EE ΔE 0.043
- Clear Blue #247AFD ΔE 0.055
- Neon Blue #4361EE ΔE 0.062
- Royal Blue #4169E1 ΔE 0.064
- Soft Blue #6488EA ΔE 0.068
- Cerulean Blue #056EEE ΔE 0.076
- Periwinkle #8E82FE ΔE 0.076
Use #6371FE 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.