#151E26
Closest named color: Rich Black (#0D1B2A). oklch(23% 0.02 245.7), rgb(21, 30, 38).
Aa
White text reads best on this color (16.85:1).
About this color
#151E26 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.020 away. White text reads best on it, at 16.85:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.24:1 |
| White text | 16.85:1 |
Values
| HEX | #151E26 |
| RGB | rgb(21, 30, 38) |
| HSL | hsl(208, 29%, 12%) |
| OKLCH | oklch(23% 0.02 245.7) |
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 #151E26 | 16.85:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #151E26 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #151E26 text on white | 16.85:1 | AAA | Lc 103.8 | Preferred for body text |
| #151E26 text on black | 1.24:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B4C3D0
oklch(81% 0.025 244.2)
-
Step 400
400
#8DA4B8
oklch(70.8% 0.039 244.6)
-
Step 500
500
#718DA6
oklch(63.1% 0.049 245.6)
-
Step 600
600
#597791
oklch(55.6% 0.053 245.1)
-
Step 700
700
#49647C
oklch(49.2% 0.05 245.9)
-
Step 800
800
#3C5264
oklch(42.8% 0.04 243.6)
-
Step 900
900
#334452
oklch(37.8% 0.032 243.6)
-
Step 950
950 (this color)
#151E26
oklch(23% 0.02 245.7)
#151E26 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) | #1B1E26 | 0.010 |
| Deuteranopia (no green cones) | #191C26 | 0.009 |
| Tritanopia (no blue cones) | #0F2021 | 0.017 |
| Achromatopsia (no color) | #1D1D1D | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151E26
#151E26
oklch(23% 0.02 245.7)
- #241B13
#241B13
oklch(23% 0.02 63.2)
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 #151E26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.020
- Dark #1B2431 ΔE 0.029
- Jet #212529 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.046
- Rich Navy #001219 ΔE 0.063
- Dark Brown #341C02 ΔE 0.078
- Space Cadet #2B2D42 ΔE 0.079
- Almost Black #070D0D ΔE 0.079
Use #151E26 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.