#0B595E
Closest named color: Deep Teal (#00555A). oklch(42.4% 0.069 201.8), rgb(11, 89, 94).
Aa
White text reads best on this color (8.06:1).
About this color
#0B595E is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.069 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.015 away. White text reads best on it, at 8.06:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #0B595E |
| RGB | rgb(11, 89, 94) |
| HSL | hsl(184, 79%, 21%) |
| OKLCH | oklch(42.4% 0.069 201.8) |
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 #0B595E | 8.06:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #0B595E | 2.60:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #0B595E text on white | 8.06:1 | AAA | Lc 87.5 | Fine for body text |
| #0B595E text on black | 2.60:1 | Fails | Lc -14.6 | 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
#F2F7F7
oklch(97.2% 0.005 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A3C9CC
oklch(80.9% 0.041 202.3)
-
Step 400
400
#6FADB2
oklch(70.7% 0.064 202.3)
-
Step 500
500
#43989E
oklch(63% 0.082 201.6)
-
Step 600
600
#188289
oklch(55.5% 0.089 201.9)
-
Step 700
700
#026E75
oklch(49% 0.083 202.6)
-
Step 800
800 (this color)
#0B595E
oklch(42.4% 0.069 201.8)
-
Step 900
900
#174A4E
oklch(37.7% 0.053 202.5)
-
Step 950
950
#0F2B2D
oklch(26.9% 0.034 201.6)
#0B595E 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) | #51555E | 0.069 |
| Deuteranopia (no green cones) | #464D5E | 0.063 |
| Tritanopia (no blue cones) | #005D5A | 0.017 |
| Achromatopsia (no color) | #505050 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B595E
#0B595E
oklch(42.4% 0.069 201.8)
- #6F3E3D
#6F3E3D
oklch(42.3% 0.069 21.6)
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 #0B595E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.015
- Petrol #005F6A ΔE 0.023
- Dark Slate Gray #2F4F4F ΔE 0.038
- Dark Blue Green #005249 ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Teal #014D4E ΔE 0.043
- Dark Aqua #05696B ΔE 0.051
- Charcoal #264653 ΔE 0.059
Use #0B595E 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.