#005E6B
Closest named color: Petrol (#005F6A). oklch(44.2% 0.077 211), rgb(0, 94, 107).
Aa
White text reads best on this color (7.46:1).
About this color
#005E6B is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 44%, its chroma 0.077 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.004 away. White text reads best on it, at 7.46:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #005E6B |
| RGB | rgb(0, 94, 107) |
| HSL | hsl(187, 100%, 21%) |
| OKLCH | oklch(44.2% 0.077 211) |
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 #005E6B | 7.46:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #005E6B | 2.81:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #005E6B text on white | 7.46:1 | AAA | Lc 85.4 | Fine for body text |
| #005E6B text on black | 2.81:1 | Fails | Lc -16.6 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#A0C9D1
oklch(80.9% 0.045 210.8)
-
Step 400
400
#69ADBA
oklch(70.7% 0.071 211.1)
-
Step 500
500
#3798A9
oklch(63.1% 0.092 211.3)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800 (this color)
#005E6B
oklch(44.2% 0.077 211)
-
Step 900
900
#0E4A54
oklch(37.8% 0.06 211.6)
-
Step 950
950
#0C2B31
oklch(26.9% 0.038 212.5)
#005E6B 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) | #545A6C | 0.072 |
| Deuteranopia (no green cones) | #47516B | 0.065 |
| Tritanopia (no blue cones) | #006362 | 0.025 |
| Achromatopsia (no color) | #555555 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005E6B
#005E6B
oklch(44.2% 0.077 211)
- #784238
#784238
oklch(44.2% 0.077 31.5)
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 #005E6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.004
- Deep Teal #00555A ΔE 0.036
- Dark Aqua #05696B ΔE 0.036
- Dark Green Blue #1F6357 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
- Dark Blue Green #005249 ΔE 0.061
Use #005E6B 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.