#55A3BD
Closest named color: Greyblue (#77A1B5). oklch(67.6% 0.086 222.1), rgb(85, 163, 189).
Aa
Black text reads best on this color (7.35:1).
About this color
#55A3BD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.086 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.034 away. Black text reads best on it, at 7.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #55A3BD |
| RGB | rgb(85, 163, 189) |
| HSL | hsl(195, 44%, 54%) |
| OKLCH | oklch(67.6% 0.086 222.1) |
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 #55A3BD | 2.85:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #55A3BD | 7.35:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #55A3BD text on white | 2.85:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #55A3BD text on black | 7.35:1 | AAA | Lc -47.3 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFECF1
oklch(93.5% 0.015 222.7)
-
Step 200
200
#C5DEE7
oklch(88.5% 0.029 221.4)
-
Step 300
300
#9BC9DA
oklch(80.9% 0.054 222.6)
-
Step 400
400 (this color)
#55A3BD
oklch(67.6% 0.086 222.1)
-
Step 500
500
#2098B9
oklch(63.2% 0.109 221.9)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C86
oklch(49.3% 0.091 222.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#062B36
oklch(27% 0.045 222.2)
#55A3BD 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) | #949FBE | 0.070 |
| Deuteranopia (no green cones) | #8494BD | 0.062 |
| Tritanopia (no blue cones) | #00ABAB | 0.055 |
| Achromatopsia (no color) | #999999 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A3BD
#55A3BD
oklch(67.6% 0.086 222.1)
- #C4856D
#C4856D
oklch(67.5% 0.085 41.7)
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 #55A3BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.034
- Cadet Blue #5F9EA0 ΔE 0.041
- Turquoise Blue #06B1C4 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.056
- Cool Gray #8D99AE ΔE 0.063
- Faded Blue #658CBB ΔE 0.065
- Silver Lake Blue #778DA9 ΔE 0.065
Use #55A3BD 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.