#63A2ED
Closest named color: Cornflower Blue (#6495ED). oklch(70.2% 0.129 253.8), rgb(99, 162, 237).
Aa
Black text reads best on this color (7.92:1).
About this color
#63A2ED is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.129 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.035 away. Black text reads best on it, at 7.92:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.92:1 |
| White text | 2.65:1 |
Values
| HEX | #63A2ED |
| RGB | rgb(99, 162, 237) |
| HSL | hsl(213, 79%, 66%) |
| OKLCH | oklch(70.2% 0.129 253.8) |
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 #63A2ED | 2.65:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #63A2ED | 7.92:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #63A2ED text on white | 2.65:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #63A2ED text on black | 7.92:1 | AAA | Lc -50.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF7
oklch(88.4% 0.045 254.5)
-
Step 300
300
#9DC4F4
oklch(80.9% 0.08 253.9)
-
Step 400
400 (this color)
#63A2ED
oklch(70.2% 0.129 253.8)
-
Step 500
500
#358AE9
oklch(63% 0.164 253.9)
-
Step 600
600
#0072D6
oklch(55.6% 0.176 253.8)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E96
oklch(42.7% 0.135 253.8)
-
Step 900
900
#0D4278
oklch(37.8% 0.106 253.3)
-
Step 950
950
#0B2746
oklch(27% 0.067 253.4)
#63A2ED 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) | #83A6F0 | 0.038 |
| Deuteranopia (no green cones) | #7199EB | 0.026 |
| Tritanopia (no blue cones) | #00B3BD | 0.109 |
| Achromatopsia (no color) | #9F9F9F | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A2ED
#63A2ED
oklch(70.2% 0.129 253.8)
- #CE9134
#CE9134
oklch(70.1% 0.129 73.7)
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 #63A2ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.035
- Chefchaouen Blue #4895EF ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.065
- Soft Blue #6488EA ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.078
- Dodger Blue #1E90FF ΔE 0.079
Use #63A2ED 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.