#63A2D2
Closest named color: Greyblue (#77A1B5). oklch(68.9% 0.096 242.8), rgb(99, 162, 210).
Aa
Black text reads best on this color (7.62:1).
About this color
#63A2D2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.096 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.046 away. Black text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.62:1 |
| White text | 2.75:1 |
Values
| HEX | #63A2D2 |
| RGB | rgb(99, 162, 210) |
| HSL | hsl(206, 55%, 61%) |
| OKLCH | oklch(68.9% 0.096 242.8) |
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 #63A2D2 | 2.75:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #63A2D2 | 7.62:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #63A2D2 text on white | 2.75:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #63A2D2 text on black | 7.62:1 | AAA | Lc -48.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#9FC6E5
oklch(80.9% 0.061 242.5)
-
Step 400
400 (this color)
#63A2D2
oklch(68.9% 0.096 242.8)
-
Step 500
500
#3A91CD
oklch(63.1% 0.122 242.5)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#104668
oklch(37.8% 0.079 241.8)
-
Step 950
950
#0C293D
oklch(27% 0.051 242.2)
#63A2D2 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) | #8DA2D4 | 0.048 |
| Deuteranopia (no green cones) | #7E97D1 | 0.039 |
| Tritanopia (no blue cones) | #1FAEB2 | 0.080 |
| Achromatopsia (no color) | #9C9C9C | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A2D2
#63A2D2
oklch(68.9% 0.096 242.8)
- #C68D5A
#C68D5A
oklch(68.8% 0.097 61.9)
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 #63A2D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.060
- Bluey Grey #89A0B0 ΔE 0.062
- Faded Blue #658CBB ΔE 0.062
- Cool Gray #8D99AE ΔE 0.066
- Turquoise Blue #06B1C4 ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.068
Use #63A2D2 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.