#63ABBA
Closest named color: Greyblue (#77A1B5). oklch(70% 0.075 212.6), rgb(99, 171, 186).
Aa
Black text reads best on this color (8.06:1).
About this color
#63ABBA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.075 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.031 away. Black text reads best on it, at 8.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #63ABBA |
| RGB | rgb(99, 171, 186) |
| HSL | hsl(190, 39%, 56%) |
| OKLCH | oklch(70% 0.075 212.6) |
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 #63ABBA | 2.60:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #63ABBA | 8.06:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #63ABBA text on white | 2.60:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #63ABBA text on black | 8.06:1 | AAA | Lc -51.2 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300
#9EC9D3
oklch(80.8% 0.047 213.5)
-
Step 400
400 (this color)
#63ABBA
oklch(70% 0.075 212.6)
-
Step 500
500
#3099AC
oklch(63.2% 0.096 212.3)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#084A55
oklch(37.7% 0.063 212.4)
-
Step 950
950
#092B32
oklch(26.9% 0.04 214.1)
#63ABBA 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) | #9FA6BB | 0.070 |
| Deuteranopia (no green cones) | #919CBA | 0.063 |
| Tritanopia (no blue cones) | #37B1AF | 0.042 |
| Achromatopsia (no color) | #A0A0A0 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63ABBA
#63ABBA
oklch(70% 0.075 212.6)
- #C98D81
#C98D81
oklch(69.9% 0.076 31.6)
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 #63ABBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.031
- Bluegrey #85A3B2 ΔE 0.039
- Turquoise Blue #06B1C4 ΔE 0.044
- Cadet Blue #5F9EA0 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.047
- Light Sea Green #20B2AA ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.058
- Cool Grey #95A3A6 ΔE 0.059
Use #63ABBA 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.