#63A2BD
Closest named color: Greyblue (#77A1B5). oklch(68% 0.076 227.3), rgb(99, 162, 189).
Aa
Black text reads best on this color (7.43:1).
About this color
#63A2BD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.076 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.023 away. Black text reads best on it, at 7.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #63A2BD |
| RGB | rgb(99, 162, 189) |
| HSL | hsl(198, 41%, 56%) |
| OKLCH | oklch(68% 0.076 227.3) |
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 #63A2BD | 2.82:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #63A2BD | 7.43:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #63A2BD text on white | 2.82:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #63A2BD text on black | 7.43:1 | AAA | Lc -47.7 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C7D9
oklch(80.8% 0.048 228.3)
-
Step 400
400 (this color)
#63A2BD
oklch(68% 0.076 227.3)
-
Step 500
500
#3D95B7
oklch(63.1% 0.097 227)
-
Step 600
600
#0A7FA3
oklch(55.7% 0.105 226.9)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#045771
oklch(42.6% 0.081 227.1)
-
Step 900
900
#13485C
oklch(37.7% 0.064 227.7)
-
Step 950
950
#0D2A36
oklch(26.9% 0.041 228.4)
#63A2BD 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) | #949FBE | 0.058 |
| Deuteranopia (no green cones) | #8795BD | 0.052 |
| Tritanopia (no blue cones) | #37AAAB | 0.053 |
| Achromatopsia (no color) | #9A9A9A | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A2BD
#63A2BD
oklch(68% 0.076 227.3)
- #C08A70
#C08A70
oklch(68% 0.076 46.7)
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 #63A2BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.023
- Bluegrey #85A3B2 ΔE 0.040
- Cadet Blue #5F9EA0 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.044
- Cool Gray #8D99AE ΔE 0.052
- Turquoise Blue #06B1C4 ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.059
- Blue Grey #758DA3 ΔE 0.061
Use #63A2BD 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.