#151628
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.036 280.4), rgb(21, 22, 40).
Aa
White text reads best on this color (17.83:1).
About this color
#151628 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.036 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.020 away. White text reads best on it, at 17.83:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.83:1 |
Values
| HEX | #151628 |
| RGB | rgb(21, 22, 40) |
| HSL | hsl(237, 31%, 12%) |
| OKLCH | oklch(20.9% 0.036 280.4) |
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 #151628 | 17.83:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #151628 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #151628 text on white | 17.83:1 | AAA | Lc 104.6 | Preferred for body text |
| #151628 text on black | 1.17:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E9
oklch(88.6% 0.023 280.6)
-
Step 300
300
#BBBEDC
oklch(80.9% 0.042 280.9)
-
Step 400
400
#989CCA
oklch(70.6% 0.067 280.6)
-
Step 500
500
#7F84BD
oklch(63.2% 0.086 279.8)
-
Step 600
600
#696DA9
oklch(55.7% 0.093 280)
-
Step 700
700
#585A91
oklch(49% 0.087 281.1)
-
Step 800
800
#484A76
oklch(42.7% 0.073 280.9)
-
Step 900
900
#3C3E5F
oklch(37.7% 0.056 280.7)
-
Step 950
950 (this color)
#151628
oklch(20.9% 0.036 280.4)
#151628 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) | #101829 | 0.010 |
| Deuteranopia (no green cones) | #0F1728 | 0.010 |
| Tritanopia (no blue cones) | #10191D | 0.029 |
| Achromatopsia (no color) | #181818 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151628
#151628
oklch(20.9% 0.036 280.4)
- #1C1804
#1C1804
oklch(20.8% 0.035 98.7)
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 #151628, 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 0.051
- Rich Navy #001219 ΔE 0.052
- Jet #212529 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.062
- Almost Black #070D0D ΔE 0.067
- Navy Blue #001146 ΔE 0.069
- Midnight Purple #280137 ΔE 0.074
Use #151628 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.