#001B13
Closest named color: Rich Navy (#001219). oklch(19.8% 0.039 170.7), rgb(0, 27, 19).
Aa
White text reads best on this color (18.00:1).
About this color
#001B13 is a very dark, muted teal or cyan. In OKLCH its lightness is 20%, its chroma 0.039 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.043 away. White text reads best on it, at 18.00:1.
| Hue family | Teals and cyans |
| Lightness | very dark (20%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.00:1 |
Values
| HEX | #001B13 |
| RGB | rgb(0, 27, 19) |
| HSL | hsl(162, 100%, 5%) |
| OKLCH | oklch(19.8% 0.039 170.7) |
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 #001B13 | 18.00:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #001B13 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #001B13 text on white | 18.00:1 | AAA | Lc 104.6 | Preferred for body text |
| #001B13 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A4CBBC
oklch(81% 0.046 169.7)
-
Step 400
400
#70B09A
oklch(70.7% 0.074 170.4)
-
Step 500
500
#449C81
oklch(63.1% 0.095 170.3)
-
Step 600
600
#1A866B
oklch(55.5% 0.102 171)
-
Step 700
700
#057259
oklch(49.2% 0.096 170.5)
-
Step 800
800
#0E5D49
oklch(42.8% 0.079 170.6)
-
Step 900
900
#174C3D
oklch(37.7% 0.062 170.9)
-
Step 950
950 (this color)
#001B13
oklch(19.8% 0.039 170.7)
#001B13 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) | #1A1813 | 0.040 |
| Deuteranopia (no green cones) | #161514 | 0.040 |
| Tritanopia (no blue cones) | #001B19 | 0.012 |
| Achromatopsia (no color) | #171717 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001B13
#001B13
oklch(19.8% 0.039 170.7)
- #220E18
#220E18
oklch(19.8% 0.038 349.8)
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 #001B13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.052
- Almost Black #070D0D ΔE 0.054
- Jet #212529 ΔE 0.075
- Dark #1B2431 ΔE 0.076
- Dark Forest Green #002D04 ΔE 0.079
- Very Dark Green #062E03 ΔE 0.084
- Oxford Blue #1B263B ΔE 0.092
Use #001B13 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.