#63BEC9
Closest named color: Dark Turquoise (#00CED1). oklch(75% 0.088 205.8), rgb(99, 190, 201).
Aa
Black text reads best on this color (9.73:1).
About this color
#63BEC9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.088 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.052 away. Black text reads best on it, at 9.73:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.73:1 |
| White text | 2.15:1 |
Values
| HEX | #63BEC9 |
| RGB | rgb(99, 190, 201) |
| HSL | hsl(186, 49%, 59%) |
| OKLCH | oklch(75% 0.088 205.8) |
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 #63BEC9 | 2.15:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #63BEC9 | 9.73:1 | AAA | Lc 61.8 | Content text, not long reading |
| #63BEC9 text on white | 2.15:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #63BEC9 text on black | 9.73:1 | AAA | Lc -60.0 | Content text, not long reading |
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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDEF
oklch(93.6% 0.016 206.4)
-
Step 200
200
#C3DFE3
oklch(88.4% 0.03 207.1)
-
Step 300
300
#97CBD2
oklch(80.8% 0.055 206.5)
-
Step 400
400 (this color)
#63BEC9
oklch(75% 0.088 205.8)
-
Step 500
500
#009BA9
oklch(63% 0.108 206.1)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#63BEC9 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) | #B1B8CA | 0.086 |
| Deuteranopia (no green cones) | #A1ABC9 | 0.080 |
| Tritanopia (no blue cones) | #1EC5C1 | 0.044 |
| Achromatopsia (no color) | #B1B1B1 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BEC9
#63BEC9
oklch(75% 0.088 205.8)
- #E09891
#E09891
oklch(74.9% 0.088 25.5)
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 #63BEC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.053
- Vivid Sky Blue #4CC9F0 ΔE 0.055
- Topaz #13BBAF ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.062
- Pale Teal #82CBB2 ΔE 0.064
- Light Grey Blue #9DBCD4 ΔE 0.064
Use #63BEC9 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.