#06151D
Closest named color: Rich Navy (#001219). oklch(18.6% 0.027 233.1), rgb(6, 21, 29).
Aa
White text reads best on this color (18.53:1).
About this color
#06151D is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.019 away. White text reads best on it, at 18.53:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.13:1 |
| White text | 18.53:1 |
Values
| HEX | #06151D |
| RGB | rgb(6, 21, 29) |
| HSL | hsl(201, 66%, 7%) |
| OKLCH | oklch(18.6% 0.027 233.1) |
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 #06151D | 18.53:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #06151D | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #06151D text on white | 18.53:1 | AAA | Lc 105.1 | Preferred for body text |
| #06151D 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D2
oklch(81% 0.032 231.4)
-
Step 400
400
#81A7BB
oklch(70.7% 0.051 231.3)
-
Step 500
500
#6191AB
oklch(63.2% 0.065 232.9)
-
Step 600
600
#467A96
oklch(55.5% 0.071 233.6)
-
Step 700
700
#376780
oklch(49.1% 0.066 233)
-
Step 800
800
#2E5468
oklch(42.6% 0.055 233)
-
Step 900
900
#2A4655
oklch(37.9% 0.042 232.9)
-
Step 950
950 (this color)
#06151D
oklch(18.6% 0.027 233.1)
#06151D 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) | #11151D | 0.017 |
| Deuteranopia (no green cones) | #0E121D | 0.016 |
| Tritanopia (no blue cones) | #001718 | 0.018 |
| Achromatopsia (no color) | #131313 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06151D
#06151D
oklch(18.6% 0.027 233.1)
- #1C1008
#1C1008
oklch(18.7% 0.025 54.6)
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 #06151D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.019
- Rich Black #0D1B2A ΔE 0.034
- Almost Black #070D0D ΔE 0.039
- Dark #1B2431 ΔE 0.072
- Jet #212529 ΔE 0.078
- Dark Navy #000435 ΔE 0.079
- Dark Navy Blue #00022E ΔE 0.081
- Midnight #03012D ΔE 0.082
Use #06151D 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.