#01252D
Closest named color: Dark (#1B2431). oklch(24.4% 0.042 216), rgb(1, 37, 45).
Aa
White text reads best on this color (16.10:1).
About this color
#01252D is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.042 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.032 away. White text reads best on it, at 16.10:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.30:1 |
| White text | 16.10:1 |
Values
| HEX | #01252D |
| RGB | rgb(1, 37, 45) |
| HSL | hsl(191, 96%, 9%) |
| OKLCH | oklch(24.4% 0.042 216) |
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 #01252D | 16.10:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #01252D | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #01252D text on white | 16.10:1 | AAA | Lc 102.8 | Preferred for body text |
| #01252D text on black | 1.30:1 | 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
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE5
oklch(88.5% 0.027 217.2)
-
Step 300
300
#9CC9D5
oklch(80.8% 0.05 215.9)
-
Step 400
400
#61ADC1
oklch(70.6% 0.081 216.8)
-
Step 500
500
#2698B1
oklch(63% 0.103 216.5)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950 (this color)
#01252D
oklch(24.4% 0.042 216)
#01252D 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) | #20232D | 0.038 |
| Deuteranopia (no green cones) | #1A1F2D | 0.034 |
| Tritanopia (no blue cones) | #002828 | 0.017 |
| Achromatopsia (no color) | #212121 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01252D
#01252D
oklch(24.4% 0.042 216)
- #311812
#311812
oklch(24.3% 0.042 34.4)
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 #01252D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.032
- Rich Black #0D1B2A ΔE 0.036
- Jet #212529 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.074
- Rich Navy #001219 ΔE 0.076
- Gunmetal #293241 ΔE 0.077
- Dark Forest Green #002D04 ΔE 0.082
Use #01252D 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.