#005C59
Closest named color: Deep Teal (#00555A). oklch(42.9% 0.074 190.9), rgb(0, 92, 89).
Aa
White text reads best on this color (7.85:1).
About this color
#005C59 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.074 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.024 away. White text reads best on it, at 7.85:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #005C59 |
| RGB | rgb(0, 92, 89) |
| HSL | hsl(178, 100%, 18%) |
| OKLCH | oklch(42.9% 0.074 190.9) |
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 #005C59 | 7.85:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #005C59 | 2.67:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #005C59 text on white | 7.85:1 | AAA | Lc 86.7 | Fine for body text |
| #005C59 text on black | 2.67:1 | Fails | Lc -15.4 | Dividers and decoration only |
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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C8DEDD
oklch(88.4% 0.023 193.4)
-
Step 300
300
#A1CAC7
oklch(80.9% 0.044 190.8)
-
Step 400
400
#6BAFAB
oklch(70.8% 0.069 190.9)
-
Step 500
500
#3C9A96
oklch(63% 0.088 191.2)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800 (this color)
#005C59
oklch(42.9% 0.074 190.9)
-
Step 900
900
#114B49
oklch(37.6% 0.057 191.6)
-
Step 950
950
#0D2C2B
oklch(27% 0.036 192.3)
#005C59 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) | #565659 | 0.079 |
| Deuteranopia (no green cones) | #4A4E5A | 0.073 |
| Tritanopia (no blue cones) | #005F5B | 0.010 |
| Achromatopsia (no color) | #525252 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005C59
#005C59
oklch(42.9% 0.074 190.9)
- #723D45
#723D45
oklch(42.8% 0.075 11.1)
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 #005C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.024
- Petrol #005F6A ΔE 0.028
- Dark Green Blue #1F6357 ΔE 0.029
- Dark Blue Green #005249 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.045
- Dark Aqua #05696B ΔE 0.045
- Dark Teal #014D4E ΔE 0.049
- Spruce #0A5F38 ΔE 0.057
Use #005C59 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.