#051A1E
Closest named color: Rich Black (#0D1B2A). oklch(20.3% 0.028 211.6), rgb(5, 26, 30).
Aa
White text reads best on this color (17.90:1).
About this color
#051A1E is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.027 away. White text reads best on it, at 17.90:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.90:1 |
Values
| HEX | #051A1E |
| RGB | rgb(5, 26, 30) |
| HSL | hsl(190, 71%, 7%) |
| OKLCH | oklch(20.3% 0.028 211.6) |
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 #051A1E | 17.90:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #051A1E | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #051A1E text on white | 17.90:1 | AAA | Lc 104.6 | Preferred for body text |
| #051A1E text on black | 1.17:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A9C7CD
oklch(80.9% 0.033 211.1)
-
Step 400
400
#79AAB4
oklch(70.7% 0.054 211.7)
-
Step 500
500
#5495A1
oklch(63.1% 0.069 210.8)
-
Step 600
600
#367F8C
oklch(55.6% 0.074 211)
-
Step 700
700
#286B77
oklch(49.1% 0.069 211.4)
-
Step 800
800
#235761
oklch(42.6% 0.057 212.2)
-
Step 900
900
#22484F
oklch(37.7% 0.045 211)
-
Step 950
950 (this color)
#051A1E
oklch(20.3% 0.028 211.6)
#051A1E 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) | #17191E | 0.027 |
| Deuteranopia (no green cones) | #13161E | 0.024 |
| Tritanopia (no blue cones) | #001C1B | 0.013 |
| Achromatopsia (no color) | #171717 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051A1E
#051A1E
oklch(20.3% 0.028 211.6)
- #22120E
#22120E
oklch(20.3% 0.028 34.7)
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 #051A1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.027
- Rich Navy #001219 ΔE 0.034
- Almost Black #070D0D ΔE 0.054
- Dark #1B2431 ΔE 0.060
- Jet #212529 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.074
- Navy Blue #001146 ΔE 0.088
- Dark Navy #000435 ΔE 0.092
Use #051A1E 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.