#2E5A63
Closest named color: Petrol (#005F6A). oklch(44% 0.051 212.5), rgb(46, 90, 99).
Aa
White text reads best on this color (7.61:1).
About this color
#2E5A63 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.051 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.026 away. White text reads best on it, at 7.61:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #2E5A63 |
| RGB | rgb(46, 90, 99) |
| HSL | hsl(190, 37%, 28%) |
| OKLCH | oklch(44% 0.051 212.5) |
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 #2E5A63 | 7.61:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #2E5A63 | 2.75:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #2E5A63 text on white | 7.61:1 | AAA | Lc 86.3 | Fine for body text |
| #2E5A63 text on black | 2.75:1 | Fails | Lc -15.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ACC6CC
oklch(80.9% 0.029 213.2)
-
Step 400
400
#7FA9B2
oklch(70.7% 0.047 212.3)
-
Step 500
500
#5C949F
oklch(63.2% 0.061 211.4)
-
Step 600
600
#417E8A
oklch(55.7% 0.066 211.9)
-
Step 700
700
#326A75
oklch(49.1% 0.061 212.1)
-
Step 800
800 (this color)
#2E5A63
oklch(44% 0.051 212.5)
-
Step 900
900
#27474E
oklch(37.6% 0.04 213.3)
-
Step 950
950
#172A2E
oklch(27.1% 0.026 212.5)
#2E5A63 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) | #535764 | 0.048 |
| Deuteranopia (no green cones) | #4B5163 | 0.043 |
| Tritanopia (no blue cones) | #0D5E5D | 0.028 |
| Achromatopsia (no color) | #545454 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E5A63
#2E5A63
oklch(44% 0.051 212.5)
- #6C4841
#6C4841
oklch(44% 0.051 31.4)
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 #2E5A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.026
- Deep Teal #00555A ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.042
- Dark Aqua #05696B ΔE 0.047
- Dark Blue Green #005249 ΔE 0.059
- Slate #516572 ΔE 0.061
Use #2E5A63 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.