#63ABEA
Closest named color: Cornflower Blue (#6495ED). oklch(72% 0.117 246.7), rgb(99, 171, 234).
Aa
Black text reads best on this color (8.54:1).
About this color
#63ABEA is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.117 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.061 away. Black text reads best on it, at 8.54:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.54:1 |
| White text | 2.45:1 |
Values
| HEX | #63ABEA |
| RGB | rgb(99, 171, 234) |
| HSL | hsl(208, 76%, 65%) |
| OKLCH | oklch(72% 0.117 246.7) |
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 #63ABEA | 2.45:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #63ABEA | 8.54:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #63ABEA text on white | 2.45:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #63ABEA text on black | 8.54:1 | AAA | Lc -53.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C4DCF3
oklch(88.4% 0.041 247.1)
-
Step 300
300
#9AC6EE
oklch(80.9% 0.074 246.3)
-
Step 400
400 (this color)
#63ABEA
oklch(72% 0.117 246.7)
-
Step 500
500
#258FDE
oklch(63.1% 0.15 246.6)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#014472
oklch(37.6% 0.098 247)
-
Step 950
950
#072843
oklch(26.9% 0.063 247.7)
#63ABEA 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) | #90ADED | 0.050 |
| Deuteranopia (no green cones) | #7E9FE9 | 0.039 |
| Tritanopia (no blue cones) | #00BAC1 | 0.096 |
| Achromatopsia (no color) | #A5A5A5 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63ABEA
#63ABEA
oklch(72% 0.117 246.7)
- #D6954E
#D6954E
oklch(72% 0.117 66.4)
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 #63ABEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.061
- Deep Sky Blue #00BFFF ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.070
- Periwinkle Blue #8F99FB ΔE 0.074
- Greyblue #77A1B5 ΔE 0.076
- Vivid Sky Blue #4CC9F0 ΔE 0.080
- Turquoise Blue #06B1C4 ΔE 0.081
Use #63ABEA 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.