#55AFC8
Closest named color: Turquoise Blue (#06B1C4). oklch(70.9% 0.093 218.6), rgb(85, 175, 200).
Aa
Black text reads best on this color (8.35:1).
About this color
#55AFC8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.093 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.035 away. Black text reads best on it, at 8.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #55AFC8 |
| RGB | rgb(85, 175, 200) |
| HSL | hsl(193, 51%, 56%) |
| OKLCH | oklch(70.9% 0.093 218.6) |
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 #55AFC8 | 2.51:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #55AFC8 | 8.35:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #55AFC8 text on white | 2.51:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #55AFC8 text on black | 8.35:1 | AAA | Lc -52.8 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF1
oklch(93.6% 0.017 215.5)
-
Step 200
200
#C3DFE8
oklch(88.6% 0.032 219.1)
-
Step 300
300
#97CADA
oklch(80.9% 0.058 219.1)
-
Step 400
400 (this color)
#55AFC8
oklch(70.9% 0.093 218.6)
-
Step 500
500
#0099B7
oklch(63.1% 0.114 218.3)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#55AFC8 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) | #9FABC9 | 0.080 |
| Deuteranopia (no green cones) | #8E9EC8 | 0.072 |
| Tritanopia (no blue cones) | #00B8B7 | 0.053 |
| Achromatopsia (no color) | #A3A3A3 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55AFC8
#55AFC8
oklch(70.9% 0.093 218.6)
- #D38D76
#D38D76
oklch(70.8% 0.092 38.9)
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 #55AFC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.035
- Greyblue #77A1B5 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.055
- Light Sea Green #20B2AA ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.063
- Cadet Blue #5F9EA0 ΔE 0.064
- Topaz #13BBAF ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.071
Use #55AFC8 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.