#011920
Closest named color: Rich Black (#0D1B2A). oklch(19.8% 0.034 219.2), rgb(1, 25, 32).
Aa
White text reads best on this color (18.08:1).
About this color
#011920 is a very dark, muted teal or cyan. In OKLCH its lightness is 20%, its chroma 0.034 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.028 away. White text reads best on it, at 18.08:1.
| Hue family | Teals and cyans |
| Lightness | very dark (20%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.08:1 |
Values
| HEX | #011920 |
| RGB | rgb(1, 25, 32) |
| HSL | hsl(194, 94%, 6%) |
| OKLCH | oklch(19.8% 0.034 219.2) |
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 #011920 | 18.08:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #011920 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #011920 text on white | 18.08:1 | AAA | Lc 104.7 | Preferred for body text |
| #011920 text on black | 1.16:1 | 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
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A4C7D3
oklch(80.8% 0.041 220.6)
-
Step 400
400
#71ABBC
oklch(70.7% 0.065 218.2)
-
Step 500
500
#4895AC
oklch(63% 0.083 220.1)
-
Step 600
600
#237F97
oklch(55.5% 0.09 219.6)
-
Step 700
700
#126B81
oklch(49% 0.084 219.8)
-
Step 800
800
#155869
oklch(42.8% 0.069 219)
-
Step 900
900
#1A4855
oklch(37.6% 0.054 219.6)
-
Step 950
950 (this color)
#011920
oklch(19.8% 0.034 219.2)
#011920 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) | #151820 | 0.029 |
| Deuteranopia (no green cones) | #101520 | 0.025 |
| Tritanopia (no blue cones) | #001B1B | 0.015 |
| Achromatopsia (no color) | #161616 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011920
#011920
oklch(19.8% 0.034 219.2)
- #231009
#231009
oklch(19.9% 0.035 40.9)
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 #011920, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.028
- Rich Navy #001219 ΔE 0.029
- Almost Black #070D0D ΔE 0.052
- Dark #1B2431 ΔE 0.064
- Jet #212529 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.077
- Navy Blue #001146 ΔE 0.082
- Dark Navy #000435 ΔE 0.084
Use #011920 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.