#0F554E
Closest named color: Dark Blue Green (#005249). oklch(40.7% 0.066 184.8), rgb(15, 85, 78).
Aa
White text reads best on this color (8.64:1).
About this color
#0F554E is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.066 and its hue 185°. 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 8.64:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #0F554E |
| RGB | rgb(15, 85, 78) |
| HSL | hsl(174, 70%, 20%) |
| OKLCH | oklch(40.7% 0.066 184.8) |
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 #0F554E | 8.64:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #0F554E | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #0F554E text on white | 8.64:1 | AAA | Lc 89.3 | Fine for body text |
| #0F554E 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
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#73AEA5
oklch(70.8% 0.063 183.9)
-
Step 500
500
#4A998F
oklch(63% 0.08 184.5)
-
Step 600
600
#26847A
oklch(55.7% 0.087 184.7)
-
Step 700
700
#176F66
oklch(49% 0.08 184.6)
-
Step 800
800 (this color)
#0F554E
oklch(40.7% 0.066 184.8)
-
Step 900
900
#1C4B45
oklch(37.9% 0.052 183.9)
-
Step 950
950
#122C28
oklch(27.1% 0.033 182.6)
#0F554E 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) | #50504E | 0.070 |
| Deuteranopia (no green cones) | #47494F | 0.067 |
| Tritanopia (no blue cones) | #005753 | 0.009 |
| Achromatopsia (no color) | #4C4C4C | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F554E
#0F554E
oklch(40.7% 0.066 184.8)
- #673A45
#673A45
oklch(40.7% 0.065 4.6)
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 #0F554E, 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 0.020
- Dark Teal #014D4E ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Charcoal #264653 ΔE 0.054
- Spruce #0A5F38 ΔE 0.056
Use #0F554E 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.