#10272B
Closest named color: Dark (#1B2431). oklch(25.6% 0.03 210.1), rgb(16, 39, 43).
Aa
White text reads best on this color (15.58:1).
About this color
#10272B is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.023 away. White text reads best on it, at 15.58:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.34:1 |
| White text | 15.58:1 |
Values
| HEX | #10272B |
| RGB | rgb(16, 39, 43) |
| HSL | hsl(189, 46%, 12%) |
| OKLCH | oklch(25.6% 0.03 210.1) |
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 #10272B | 15.58:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #10272B | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #10272B text on white | 15.58:1 | AAA | Lc 102.5 | Preferred for body text |
| #10272B text on black | 1.34:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A7C7CD
oklch(80.8% 0.035 210.2)
-
Step 400
400
#77ABB4
oklch(70.8% 0.056 209.4)
-
Step 500
500
#5096A2
oklch(63.2% 0.073 209.9)
-
Step 600
600
#30808D
oklch(55.7% 0.079 210)
-
Step 700
700
#216C78
oklch(49.2% 0.073 210.3)
-
Step 800
800
#1E5861
oklch(42.7% 0.061 209.4)
-
Step 900
900
#1F484F
oklch(37.5% 0.047 210.1)
-
Step 950
950 (this color)
#10272B
oklch(25.6% 0.03 210.1)
#10272B 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) | #23262B | 0.027 |
| Deuteranopia (no green cones) | #1F222B | 0.026 |
| Tritanopia (no blue cones) | #022928 | 0.016 |
| Achromatopsia (no color) | #242424 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10272B
#10272B
oklch(25.6% 0.03 210.1)
- #301E1A
#301E1A
oklch(25.7% 0.029 33)
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 #10272B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.023
- Jet #212529 ΔE 0.024
- Oxford Blue #1B263B ΔE 0.036
- Rich Black #0D1B2A ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.063
- Gunmetal #293241 ΔE 0.065
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.077
Use #10272B 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.