#005757
Closest named color: Deep Teal (#00555A). oklch(41.4% 0.071 194.8), rgb(0, 87, 87).
Aa
White text reads best on this color (8.39:1).
About this color
#005757 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.071 and its hue 195°. 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 8.39:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.50:1 |
| White text | 8.39:1 |
Values
| HEX | #005757 |
| RGB | rgb(0, 87, 87) |
| HSL | hsl(180, 100%, 17%) |
| OKLCH | oklch(41.4% 0.071 194.8) |
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 #005757 | 8.39:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #005757 | 2.50:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #005757 text on white | 8.39:1 | AAA | Lc 88.5 | Fine for body text |
| #005757 text on black | 2.50:1 | Fails | Lc -13.7 | 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
#E1ECEC
oklch(93.5% 0.012 197)
-
Step 200
200
#C9DEDE
oklch(88.5% 0.022 196.8)
-
Step 300
300
#A3C9C9
oklch(80.8% 0.04 196.4)
-
Step 400
400
#6DAEAD
oklch(70.7% 0.067 194.5)
-
Step 500
500
#409999
oklch(63% 0.084 195.2)
-
Step 600
600
#118484
oklch(55.7% 0.092 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800 (this color)
#005757
oklch(41.4% 0.071 194.8)
-
Step 900
900
#154B4A
oklch(37.8% 0.055 193.3)
-
Step 950
950
#0E2C2C
oklch(27.1% 0.035 195.3)
#005757 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) | #505257 | 0.073 |
| Deuteranopia (no green cones) | #454A57 | 0.068 |
| Tritanopia (no blue cones) | #005A57 | 0.010 |
| Achromatopsia (no color) | #4D4D4D | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005757
#005757
oklch(41.4% 0.071 194.8)
- #6C3A3F
#6C3A3F
oklch(41.2% 0.071 14.3)
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 #005757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.010
- Dark Blue Green #005249 ΔE 0.025
- Dark Teal #014D4E ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.035
- Petrol #005F6A ΔE 0.036
- Dark Green Blue #1F6357 ΔE 0.045
- Charcoal #264653 ΔE 0.056
- Dark Aqua #05696B ΔE 0.060
Use #005757 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.