#15262B
Closest named color: Dark (#1B2431). oklch(25.6% 0.024 218.4), rgb(21, 38, 43).
Aa
White text reads best on this color (15.62:1).
About this color
#15262B is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.018 away. White text reads best on it, at 15.62:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #15262B |
| RGB | rgb(21, 38, 43) |
| HSL | hsl(194, 34%, 13%) |
| OKLCH | oklch(25.6% 0.024 218.4) |
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 #15262B | 15.62:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #15262B | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #15262B text on white | 15.62:1 | AAA | Lc 102.5 | Preferred for body text |
| #15262B 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC6CD
oklch(81% 0.029 216.5)
-
Step 400
400
#80A8B4
oklch(70.7% 0.047 218.2)
-
Step 500
500
#5F92A2
oklch(63% 0.059 219.7)
-
Step 600
600
#447D8D
oklch(55.7% 0.065 218.1)
-
Step 700
700
#356978
oklch(49.1% 0.06 218.9)
-
Step 800
800
#2D5661
oklch(42.8% 0.049 217.2)
-
Step 900
900
#29474F
oklch(37.8% 0.038 216.7)
-
Step 950
950 (this color)
#15262B
oklch(25.6% 0.024 218.4)
#15262B 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) | #23252B | 0.022 |
| Deuteranopia (no green cones) | #1F222B | 0.020 |
| Tritanopia (no blue cones) | #0C2828 | 0.015 |
| Achromatopsia (no color) | #232323 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15262B
#15262B
oklch(25.6% 0.024 218.4)
- #2E1F1A
#2E1F1A
oklch(25.6% 0.025 39.2)
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 #15262B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.018
- Jet #212529 ΔE 0.018
- Oxford Blue #1B263B ΔE 0.033
- Rich Black #0D1B2A ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.059
- Gunmetal #293241 ΔE 0.063
- Dark Brown #341C02 ΔE 0.077
- Dark Forest Green #002D04 ΔE 0.080
Use #15262B 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.