#55A0BD
Closest named color: Greyblue (#77A1B5). oklch(66.9% 0.086 225.6), rgb(85, 160, 189).
Aa
Black text reads best on this color (7.14:1).
About this color
#55A0BD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.086 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.036 away. Black text reads best on it, at 7.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.14:1 |
| White text | 2.93:1 |
Values
| HEX | #55A0BD |
| RGB | rgb(85, 160, 189) |
| HSL | hsl(197, 44%, 54%) |
| OKLCH | oklch(66.9% 0.086 225.6) |
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 #55A0BD | 2.93:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #55A0BD | 7.14:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #55A0BD text on white | 2.93:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #55A0BD text on black | 7.14:1 | AAA | Lc -46.1 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A5C7D5
oklch(80.9% 0.041 224.8)
-
Step 400
400
#72AAC1
oklch(70.8% 0.067 225.7)
-
Step 500
500 (this color)
#55A0BD
oklch(66.9% 0.086 225.6)
-
Step 600
600
#257E9D
oklch(55.6% 0.094 226)
-
Step 700
700
#156A86
oklch(49% 0.087 226)
-
Step 800
800
#16576D
oklch(42.8% 0.072 225.4)
-
Step 900
900
#1B4858
oklch(37.8% 0.056 224.7)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#55A0BD 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) | #909DBF | 0.066 |
| Deuteranopia (no green cones) | #8192BD | 0.058 |
| Tritanopia (no blue cones) | #00A9A9 | 0.059 |
| Achromatopsia (no color) | #979797 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A0BD
#55A0BD
oklch(66.9% 0.086 225.6)
- #C18468
#C18468
oklch(66.8% 0.086 45.5)
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 #55A0BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.042
- Turquoise Blue #06B1C4 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.055
- Faded Blue #658CBB ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.059
- Blue Grey #758DA3 ΔE 0.060
Use #55A0BD 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.