#011813
Closest named color: Rich Navy (#001219). oklch(18.8% 0.033 177.1), rgb(1, 24, 19).
Aa
White text reads best on this color (18.39:1).
About this color
#011813 is a very dark, muted teal or cyan. In OKLCH its lightness is 19%, its chroma 0.033 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.031 away. White text reads best on it, at 18.39:1.
| Hue family | Teals and cyans |
| Lightness | very dark (19%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.14:1 |
| White text | 18.39:1 |
Values
| HEX | #011813 |
| RGB | rgb(1, 24, 19) |
| HSL | hsl(167, 92%, 5%) |
| OKLCH | oklch(18.8% 0.033 177.1) |
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 #011813 | 18.39:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #011813 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #011813 text on white | 18.39:1 | AAA | Lc 104.9 | Preferred for body text |
| #011813 text on black | 1.14:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A7C9C0
oklch(80.8% 0.038 177.5)
-
Step 400
400
#75AEA0
oklch(70.7% 0.063 177.3)
-
Step 500
500
#4E9989
oklch(63% 0.079 177.9)
-
Step 600
600
#2C8472
oklch(55.6% 0.088 176.7)
-
Step 700
700
#1D7060
oklch(49.2% 0.081 176.9)
-
Step 800
800
#1C5B4E
oklch(42.7% 0.067 176.6)
-
Step 900
900
#1E4B41
oklch(37.8% 0.053 176.6)
-
Step 950
950 (this color)
#011813
oklch(18.8% 0.033 177.1)
#011813 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) | #171613 | 0.035 |
| Deuteranopia (no green cones) | #131313 | 0.033 |
| Tritanopia (no blue cones) | #001917 | 0.008 |
| Achromatopsia (no color) | #141414 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011813
#011813
oklch(18.8% 0.033 177.1)
- #1F0D13
#1F0D13
oklch(18.8% 0.032 359.3)
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 #011813, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.031
- Almost Black #070D0D ΔE 0.043
- Rich Black #0D1B2A ΔE 0.051
- Dark #1B2431 ΔE 0.081
- Jet #212529 ΔE 0.081
- Very Dark Brown #1D0200 ΔE 0.090
- Dark Forest Green #002D04 ΔE 0.091
- Very Dark Green #062E03 ΔE 0.096
Use #011813 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.