#55909A
Closest named color: Dusty Teal (#4C9085). oklch(61.7% 0.063 209.5), rgb(85, 144, 154).
Aa
Black text reads best on this color (5.84:1).
About this color
#55909A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.063 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.035 away. Black text reads best on it, at 5.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #55909A |
| RGB | rgb(85, 144, 154) |
| HSL | hsl(189, 29%, 47%) |
| OKLCH | oklch(61.7% 0.063 209.5) |
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 #55909A | 3.59:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #55909A | 5.84:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #55909A text on white | 3.59:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #55909A text on black | 5.84:1 | AA | Lc -38.2 | Non-text elements, placeholder text |
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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ABC7CB
oklch(81% 0.031 207)
-
Step 400
400
#7DAAB1
oklch(70.8% 0.049 208)
-
Step 500
500 (this color)
#55909A
oklch(61.7% 0.063 209.5)
-
Step 600
600
#3D7E89
oklch(55.5% 0.068 209.9)
-
Step 700
700
#2E6B74
oklch(49.2% 0.064 208.3)
-
Step 800
800
#27575F
oklch(42.7% 0.053 209.8)
-
Step 900
900
#25484E
oklch(37.8% 0.042 209.8)
-
Step 950
950
#162A2D
oklch(26.9% 0.026 207.9)
#55909A 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) | #878C9B | 0.061 |
| Deuteranopia (no green cones) | #7B839A | 0.056 |
| Tritanopia (no blue cones) | #349593 | 0.033 |
| Achromatopsia (no color) | #878787 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55909A
#55909A
oklch(61.7% 0.063 209.5)
- #A8776F
#A8776F
oklch(61.7% 0.063 29.4)
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 #55909A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.035
- Sea #3C9992 ΔE 0.038
- Blue Grey #758DA3 ΔE 0.042
- Steel #738595 ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.043
- Light Slate Gray #778899 ΔE 0.043
- Teal Green #0A9396 ΔE 0.044
- Steel Grey #6F828A ΔE 0.046
Use #55909A 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.