#001F25
Closest named color: Rich Black (#0D1B2A). oklch(22% 0.038 212.7), rgb(0, 31, 37).
Aa
White text reads best on this color (17.17:1).
About this color
#001F25 is a very dark, muted teal or cyan. In OKLCH its lightness is 22%, its chroma 0.038 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 17.17:1.
| Hue family | Teals and cyans |
| Lightness | very dark (22%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.17:1 |
Values
| HEX | #001F25 |
| RGB | rgb(0, 31, 37) |
| HSL | hsl(190, 100%, 7%) |
| OKLCH | oklch(22% 0.038 212.7) |
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 #001F25 | 17.17:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #001F25 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #001F25 text on white | 17.17:1 | AAA | Lc 103.9 | Preferred for body text |
| #001F25 text on black | 1.22:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#A0C9D2
oklch(80.9% 0.045 212.6)
-
Step 400
400
#68ADBB
oklch(70.7% 0.073 212)
-
Step 500
500
#3698AB
oklch(63.1% 0.093 213)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#0D4A55
oklch(37.8% 0.061 213)
-
Step 950
950 (this color)
#001F25
oklch(22% 0.038 212.7)
#001F25 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) | #1A1D25 | 0.034 |
| Deuteranopia (no green cones) | #151A25 | 0.031 |
| Tritanopia (no blue cones) | #002121 | 0.013 |
| Achromatopsia (no color) | #1B1B1B | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001F25
#001F25
oklch(22% 0.038 212.7)
- #2A130F
#2A130F
oklch(21.9% 0.039 30.9)
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 #001F25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.025
- Dark #1B2431 ΔE 0.047
- Rich Navy #001219 ΔE 0.052
- Jet #212529 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.060
- Almost Black #070D0D ΔE 0.073
- Navy Blue #001146 ΔE 0.083
- Dark Forest Green #002D04 ΔE 0.087
Use #001F25 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.