#051E24
Closest named color: Rich Black (#0D1B2A). oklch(21.9% 0.033 216.2), rgb(5, 30, 36).
Aa
White text reads best on this color (17.24:1).
About this color
#051E24 is a very dark, muted teal or cyan. In OKLCH its lightness is 22%, its chroma 0.033 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.021 away. White text reads best on it, at 17.24:1.
| Hue family | Teals and cyans |
| Lightness | very dark (22%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.24:1 |
Values
| HEX | #051E24 |
| RGB | rgb(5, 30, 36) |
| HSL | hsl(192, 76%, 8%) |
| OKLCH | oklch(21.9% 0.033 216.2) |
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 #051E24 | 17.24:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #051E24 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #051E24 text on white | 17.24:1 | AAA | Lc 104.0 | Preferred for body text |
| #051E24 text on black | 1.21:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C7D1
oklch(80.8% 0.039 217.5)
-
Step 400
400
#73ABBA
oklch(70.8% 0.062 216.4)
-
Step 500
500
#4A96A8
oklch(63.2% 0.08 215.3)
-
Step 600
600
#278094
oklch(55.7% 0.086 216.1)
-
Step 700
700
#176C7E
oklch(49.2% 0.081 216)
-
Step 800
800
#185866
oklch(42.7% 0.066 215.6)
-
Step 900
900
#1C4853
oklch(37.6% 0.051 216.8)
-
Step 950
950 (this color)
#051E24
oklch(21.9% 0.033 216.2)
#051E24 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) | #1A1D24 | 0.029 |
| Deuteranopia (no green cones) | #151924 | 0.027 |
| Tritanopia (no blue cones) | #002020 | 0.014 |
| Achromatopsia (no color) | #1B1B1B | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051E24
#051E24
oklch(21.9% 0.033 216.2)
- #27150F
#27150F
oklch(21.9% 0.032 39.2)
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 #051E24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.021
- Dark #1B2431 ΔE 0.045
- Rich Navy #001219 ΔE 0.050
- Jet #212529 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.059
- Almost Black #070D0D ΔE 0.070
- Navy Blue #001146 ΔE 0.084
- Dark Forest Green #002D04 ΔE 0.089
Use #051E24 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.