#005A58
Closest named color: Deep Teal (#00555A). oklch(42.3% 0.073 192.1), rgb(0, 90, 88).
Aa
White text reads best on this color (8.06:1).
About this color
#005A58 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 42%, its chroma 0.073 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.018 away. White text reads best on it, at 8.06:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #005A58 |
| RGB | rgb(0, 90, 88) |
| HSL | hsl(179, 100%, 18%) |
| OKLCH | oklch(42.3% 0.073 192.1) |
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 #005A58 | 8.06:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #005A58 | 2.60:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #005A58 text on white | 8.06:1 | AAA | Lc 87.4 | Fine for body text |
| #005A58 text on black | 2.60:1 | Fails | Lc -14.7 | 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
#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
#A2CAC8
oklch(81% 0.042 192.6)
-
Step 400
400
#6CAEAB
oklch(70.6% 0.068 192)
-
Step 500
500
#3E9A97
oklch(63.1% 0.086 192.2)
-
Step 600
600
#078482
oklch(55.5% 0.094 192.9)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800 (this color)
#005A58
oklch(42.3% 0.073 192.1)
-
Step 900
900
#134B49
oklch(37.7% 0.056 191.6)
-
Step 950
950
#0E2C2B
oklch(27% 0.036 192.3)
#005A58 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) | #545558 | 0.077 |
| Deuteranopia (no green cones) | #494D59 | 0.071 |
| Tritanopia (no blue cones) | #005D59 | 0.010 |
| Achromatopsia (no color) | #505050 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005A58
#005A58
oklch(42.3% 0.073 192.1)
- #703C43
#703C43
oklch(42.3% 0.073 12.1)
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 #005A58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.018
- Petrol #005F6A ΔE 0.031
- Dark Blue Green #005249 ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Teal #014D4E ΔE 0.043
- Dark Aqua #05696B ΔE 0.051
- Spruce #0A5F38 ΔE 0.059
Use #005A58 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.