#151027
Closest named color: Rich Black (#0D1B2A). oklch(19.3% 0.045 291.6), rgb(21, 16, 39).
Aa
White text reads best on this color (18.49:1).
About this color
#151027 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.045 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.038 away. White text reads best on it, at 18.49:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.49:1 |
Values
| HEX | #151027 |
| RGB | rgb(21, 16, 39) |
| HSL | hsl(253, 42%, 11%) |
| OKLCH | oklch(19.3% 0.045 291.6) |
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 #151027 | 18.49:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #151027 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #151027 text on white | 18.49:1 | AAA | Lc 105.0 | Preferred for body text |
| #151027 text on black | 1.13:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#D9D6EC
oklch(88.5% 0.03 292)
-
Step 300
300
#C0BBE1
oklch(80.9% 0.053 291.2)
-
Step 400
400
#A197D2
oklch(70.7% 0.086 291.8)
-
Step 500
500
#8B7DC7
oklch(63.2% 0.11 291.6)
-
Step 600
600
#7565B3
oklch(55.7% 0.119 291.5)
-
Step 700
700
#62539A
oklch(49% 0.111 291.5)
-
Step 800
800
#50447D
oklch(42.6% 0.093 291.6)
-
Step 900
900
#423A64
oklch(37.7% 0.071 291.4)
-
Step 950
950 (this color)
#151027
oklch(19.3% 0.045 291.6)
#151027 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) | #081428 | 0.025 |
| Deuteranopia (no green cones) | #091326 | 0.023 |
| Tritanopia (no blue cones) | #101419 | 0.037 |
| Achromatopsia (no color) | #141414 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151027
#151027
oklch(19.3% 0.045 291.6)
- #151600
#151600
oklch(19.3% 0.043 111.9)
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 #151027, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.038
- Rich Navy #001219 ΔE 0.051
- Almost Black #070D0D ΔE 0.062
- Midnight Purple #280137 ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.064
- Dark Navy #000435 ΔE 0.068
- Navy Blue #001146 ΔE 0.068
- Midnight #03012D ΔE 0.070
Use #151027 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.