#6378FE
Closest named color: Cornflower (#6A79F7). oklch(62.7% 0.199 272.6), rgb(99, 120, 254).
Aa
Black text reads best on this color (5.64:1).
About this color
#6378FE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.199 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.014 away. Black text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.64:1 |
| White text | 3.71:1 |
Values
| HEX | #6378FE |
| RGB | rgb(99, 120, 254) |
| HSL | hsl(232, 99%, 69%) |
| OKLCH | oklch(62.7% 0.199 272.6) |
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 #6378FE | 3.71:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #6378FE | 5.64:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #6378FE text on white | 3.71:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #6378FE text on black | 5.64:1 | AA | Lc -37.3 | 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
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FE
oklch(88.6% 0.054 272.5)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500 (this color)
#6378FE
oklch(62.7% 0.199 272.6)
-
Step 600
600
#4E5DEF
oklch(55.5% 0.217 272.6)
-
Step 700
700
#404CD0
oklch(49.2% 0.201 272.5)
-
Step 800
800
#343FA8
oklch(42.7% 0.167 272.5)
-
Step 900
900
#2D3785
oklch(37.7% 0.13 273)
-
Step 950
950
#1A214E
oklch(27% 0.083 273)
#6378FE 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) | #1F8CFF | 0.064 |
| Deuteranopia (no green cones) | #007EFB | 0.062 |
| Tritanopia (no blue cones) | #0097B0 | 0.168 |
| Achromatopsia (no color) | #848484 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6378FE
#6378FE
oklch(62.7% 0.199 272.6)
- #A38500
#A38500
oklch(62.7% 0.128 92.9)
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 #6378FE, closest first.
No curated palette has a color within ΔE 0.04 of #6378FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.014
- Medium Slate Blue #7B68EE ΔE 0.050
- Soft Blue #6488EA ΔE 0.053
- Clear Blue #247AFD ΔE 0.053
- Periwinkle #8E82FE ΔE 0.066
- Dodger Blue #1E90FF ΔE 0.071
- Lavender Blue #8B88F8 ΔE 0.071
- Royal Blue #4169E1 ΔE 0.071
Use #6378FE 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.