#0A554F
Closest named color: Dark Blue Green (#005249). oklch(40.6% 0.068 186.3), rgb(10, 85, 79).
Aa
White text reads best on this color (8.65:1).
About this color
#0A554F is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.014 away. White text reads best on it, at 8.65:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #0A554F |
| RGB | rgb(10, 85, 79) |
| HSL | hsl(175, 79%, 19%) |
| OKLCH | oklch(40.6% 0.068 186.3) |
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 #0A554F | 8.65:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #0A554F | 2.42:1 | Fails | Lc 14.6 | Not readable |
| #0A554F text on white | 8.65:1 | AAA | Lc 89.3 | Fine for body text |
| #0A554F text on black | 2.42:1 | Fails | Lc -12.9 | Not readable |
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 800.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A5C9C4
oklch(80.8% 0.039 186.1)
-
Step 400
400
#72AEA7
oklch(70.8% 0.063 186.6)
-
Step 500
500
#489991
oklch(63% 0.08 186.8)
-
Step 600
600
#22847B
oklch(55.7% 0.088 185.9)
-
Step 700
700
#116F68
oklch(49% 0.081 187)
-
Step 800
800 (this color)
#0A554F
oklch(40.6% 0.068 186.3)
-
Step 900
900
#1A4B46
oklch(37.8% 0.053 186)
-
Step 950
950
#112C29
oklch(27.1% 0.034 185.9)
#0A554F 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) | #50504F | 0.072 |
| Deuteranopia (no green cones) | #464850 | 0.069 |
| Tritanopia (no blue cones) | #005753 | 0.008 |
| Achromatopsia (no color) | #4B4B4B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A554F
#0A554F
oklch(40.6% 0.068 186.3)
- #683943
#683943
oklch(40.6% 0.068 6.9)
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 #0A554F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.014
- Deep Teal #00555A ΔE 0.019
- Dark Teal #014D4E ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.031
- Petrol #005F6A ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.048
- Charcoal #264653 ΔE 0.054
- Spruce #0A5F38 ΔE 0.057
Use #0A554F 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.