#63AED0
Closest named color: Greyblue (#77A1B5). oklch(71.5% 0.09 229.2), rgb(99, 174, 208).
Aa
Black text reads best on this color (8.49:1).
About this color
#63AED0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.090 and its hue 229°. 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 8.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #63AED0 |
| RGB | rgb(99, 174, 208) |
| HSL | hsl(199, 54%, 60%) |
| OKLCH | oklch(71.5% 0.09 229.2) |
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 #63AED0 | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #63AED0 | 8.49:1 | AAA | Lc 55.6 | Large or bold text, headings |
| #63AED0 text on white | 2.47:1 | Fails | Lc 48.4 | Large or bold text, headings |
| #63AED0 text on black | 8.49:1 | AAA | Lc -53.6 | 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
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DEEA
oklch(88.6% 0.031 228.2)
-
Step 300
300
#9CC8DE
oklch(80.9% 0.056 229.9)
-
Step 400
400 (this color)
#63AED0
oklch(71.5% 0.09 229.2)
-
Step 500
500
#2596C0
oklch(63.1% 0.114 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#072B39
oklch(27.2% 0.047 228.6)
#63AED0 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) | #9DABD2 | 0.065 |
| Deuteranopia (no green cones) | #8DA0D0 | 0.056 |
| Tritanopia (no blue cones) | #1CB8B9 | 0.065 |
| Achromatopsia (no color) | #A5A5A5 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AED0
#63AED0
oklch(71.5% 0.09 229.2)
- #D19271
#D19271
oklch(71.4% 0.089 48.5)
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 #63AED0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.046
- Turquoise Blue #06B1C4 ΔE 0.051
- Bluegrey #85A3B2 ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.059
- Cool Steel #97A7B3 ΔE 0.065
- Cool Gray #8D99AE ΔE 0.073
- Cool Grey #95A3A6 ΔE 0.075
- Cadet Blue #5F9EA0 ΔE 0.075
Use #63AED0 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.