#2D5763
Closest named color: Petrol (#005F6A). oklch(43.1% 0.051 218.5), rgb(45, 87, 99).
Aa
White text reads best on this color (7.90:1).
About this color
#2D5763 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.051 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.031 away. White text reads best on it, at 7.90:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #2D5763 |
| RGB | rgb(45, 87, 99) |
| HSL | hsl(193, 38%, 28%) |
| OKLCH | oklch(43.1% 0.051 218.5) |
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 #2D5763 | 7.90:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #2D5763 | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #2D5763 text on white | 7.90:1 | AAA | Lc 87.3 | Fine for body text |
| #2D5763 text on black | 2.65:1 | Fails | Lc -14.8 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ACC6CE
oklch(81% 0.03 218.3)
-
Step 400
400
#80A8B5
oklch(70.7% 0.047 219.8)
-
Step 500
500
#5E93A2
oklch(63.2% 0.061 217.6)
-
Step 600
600
#437D8D
oklch(55.7% 0.065 217.8)
-
Step 700
700
#346978
oklch(49.1% 0.061 218.6)
-
Step 800
800 (this color)
#2D5763
oklch(43.1% 0.051 218.5)
-
Step 900
900
#284750
oklch(37.8% 0.04 218.4)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#2D5763 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) | #4F5564 | 0.043 |
| Deuteranopia (no green cones) | #474F63 | 0.039 |
| Tritanopia (no blue cones) | #0B5B5B | 0.031 |
| Achromatopsia (no color) | #515151 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5763
#2D5763
oklch(43.1% 0.051 218.5)
- #69473C
#69473C
oklch(43.3% 0.05 38.7)
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 #2D5763, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.031
- Deep Teal #00555A ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.036
- YInMn Blue #415A77 ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.054
- Dark Aqua #05696B ΔE 0.056
- Dark Blue Green #005249 ΔE 0.057
Use #2D5763 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.