#0F575D
Closest named color: Deep Teal (#00555A). oklch(41.9% 0.066 203.6), rgb(15, 87, 93).
Aa
White text reads best on this color (8.26:1).
About this color
#0F575D is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.066 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.010 away. White text reads best on it, at 8.26:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #0F575D |
| RGB | rgb(15, 87, 93) |
| HSL | hsl(185, 72%, 21%) |
| OKLCH | oklch(41.9% 0.066 203.6) |
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 #0F575D | 8.26:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #0F575D | 2.54:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #0F575D text on white | 8.26:1 | AAA | Lc 88.2 | Fine for body text |
| #0F575D text on black | 2.54:1 | Fails | Lc -14.0 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADEDF
oklch(88.6% 0.021 200.4)
-
Step 300
300
#A4C8CC
oklch(80.8% 0.039 204.7)
-
Step 400
400
#71ACB2
oklch(70.6% 0.062 204)
-
Step 500
500
#47989F
oklch(63.2% 0.079 203)
-
Step 600
600
#20828A
oklch(55.6% 0.086 203.2)
-
Step 700
700
#0F6E75
oklch(49.2% 0.08 202.9)
-
Step 800
800 (this color)
#0F575D
oklch(41.9% 0.066 203.6)
-
Step 900
900
#194A4E
oklch(37.8% 0.052 202.7)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#0F575D 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) | #4F535D | 0.065 |
| Deuteranopia (no green cones) | #454B5D | 0.061 |
| Tritanopia (no blue cones) | #005B59 | 0.017 |
| Achromatopsia (no color) | #4E4E4E | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F575D
#0F575D
oklch(41.9% 0.066 203.6)
- #6C3E3B
#6C3E3B
oklch(41.9% 0.065 24.2)
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 #0F575D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.010
- Petrol #005F6A ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.033
- Dark Blue Green #005249 ΔE 0.036
- Dark Teal #014D4E ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.046
- Charcoal #264653 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.055
Use #0F575D 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.