#55ACCF
Closest named color: Turquoise Blue (#06B1C4). oklch(70.4% 0.098 227), rgb(85, 172, 207).
Aa
Black text reads best on this color (8.18:1).
About this color
#55ACCF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.098 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.042 away. Black text reads best on it, at 8.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.18:1 |
| White text | 2.56:1 |
Values
| HEX | #55ACCF |
| RGB | rgb(85, 172, 207) |
| HSL | hsl(197, 56%, 57%) |
| OKLCH | oklch(70.4% 0.098 227) |
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 #55ACCF | 2.56:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #55ACCF | 8.18:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #55ACCF text on white | 2.56:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #55ACCF text on black | 8.18:1 | AAA | Lc -52.0 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200
#C3DEEB
oklch(88.5% 0.034 228.4)
-
Step 300
300
#97C9E0
oklch(80.9% 0.061 228)
-
Step 400
400 (this color)
#55ACCF
oklch(70.4% 0.098 227)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#012B3A
oklch(27% 0.052 227.6)
#55ACCF 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) | #99A9D1 | 0.073 |
| Deuteranopia (no green cones) | #889CCF | 0.065 |
| Tritanopia (no blue cones) | #00B6B7 | 0.063 |
| Achromatopsia (no color) | #A2A2A2 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55ACCF
#55ACCF
oklch(70.4% 0.098 227)
- #D28D6A
#D28D6A
oklch(70.5% 0.097 47.6)
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 #55ACCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.042
- Greyblue #77A1B5 ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.058
- Bluey Grey #89A0B0 ΔE 0.065
- Cadet Blue #5F9EA0 ΔE 0.069
- Light Sea Green #20B2AA ΔE 0.072
- Cool Steel #97A7B3 ΔE 0.075
- Deep Sky Blue #00BFFF ΔE 0.076
Use #55ACCF 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.