#001B26
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.04 227.7), rgb(0, 27, 38).
Aa
White text reads best on this color (17.72:1).
About this color
#001B26 is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.040 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.019 away. White text reads best on it, at 17.72:1.
| Hue family | Teals and cyans |
| Lightness | very dark (21%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.72:1 |
Values
| HEX | #001B26 |
| RGB | rgb(0, 27, 38) |
| HSL | hsl(197, 100%, 7%) |
| OKLCH | oklch(20.7% 0.04 227.7) |
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 #001B26 | 17.72:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #001B26 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #001B26 text on white | 17.72:1 | AAA | Lc 104.3 | Preferred for body text |
| #001B26 text on black | 1.18:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C7D9
oklch(80.8% 0.048 228.3)
-
Step 400
400
#6BAAC6
oklch(70.6% 0.077 228.1)
-
Step 500
500
#3D95B8
oklch(63.1% 0.098 227.8)
-
Step 600
600
#097FA4
oklch(55.7% 0.106 227.6)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#045772
oklch(42.7% 0.082 228)
-
Step 900
900
#13485C
oklch(37.7% 0.064 227.7)
-
Step 950
950 (this color)
#001B26
oklch(20.7% 0.04 227.7)
#001B26 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) | #151A27 | 0.029 |
| Deuteranopia (no green cones) | #101626 | 0.026 |
| Tritanopia (no blue cones) | #001E1F | 0.021 |
| Achromatopsia (no color) | #181818 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001B26
#001B26
oklch(20.7% 0.04 227.7)
- #261107
#261107
oklch(20.6% 0.04 45.9)
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 #001B26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.019
- Rich Navy #001219 ΔE 0.039
- Dark #1B2431 ΔE 0.055
- Jet #212529 ΔE 0.063
- Almost Black #070D0D ΔE 0.064
- Oxford Blue #1B263B ΔE 0.067
- Navy Blue #001146 ΔE 0.073
- Dark Navy #000435 ΔE 0.083
Use #001B26 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.