#00575A
Closest named color: Deep Teal (#00555A). oklch(41.5% 0.071 198.9), rgb(0, 87, 90).
Aa
White text reads best on this color (8.36:1).
About this color
#00575A is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.071 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.007 away. White text reads best on it, at 8.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.51:1 |
| White text | 8.36:1 |
Values
| HEX | #00575A |
| RGB | rgb(0, 87, 90) |
| HSL | hsl(182, 100%, 18%) |
| OKLCH | oklch(41.5% 0.071 198.9) |
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 #00575A | 8.36:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #00575A | 2.51:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #00575A text on white | 8.36:1 | AAA | Lc 88.4 | Fine for body text |
| #00575A text on black | 2.51:1 | Fails | Lc -13.8 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
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
#A2C9CA
oklch(80.8% 0.041 198.3)
-
Step 400
400
#6DAEB0
oklch(70.8% 0.067 198.3)
-
Step 500
500
#40999D
oklch(63.1% 0.084 199.3)
-
Step 600
600
#108387
oklch(55.5% 0.091 198.7)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800 (this color)
#00575A
oklch(41.5% 0.071 198.9)
-
Step 900
900
#144A4C
oklch(37.6% 0.055 198.6)
-
Step 950
950
#0E2C2D
oklch(27.1% 0.035 198.3)
#00575A 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) | #50525A | 0.073 |
| Deuteranopia (no green cones) | #454A5A | 0.068 |
| Tritanopia (no blue cones) | #005B58 | 0.015 |
| Achromatopsia (no color) | #4E4E4E | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00575A
#00575A
oklch(41.5% 0.071 198.9)
- #6D3B3C
#6D3B3C
oklch(41.5% 0.071 19.3)
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 #00575A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.007
- Dark Blue Green #005249 ΔE 0.029
- Petrol #005F6A ΔE 0.032
- Dark Teal #014D4E ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.046
- Charcoal #264653 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.058
Use #00575A 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.