#071C17
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.029 175.6), rgb(7, 28, 23).
Aa
White text reads best on this color (17.68:1).
About this color
#071C17 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.041 away. White text reads best on it, at 17.68:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.68:1 |
Values
| HEX | #071C17 |
| RGB | rgb(7, 28, 23) |
| HSL | hsl(166, 60%, 7%) |
| OKLCH | oklch(20.7% 0.029 175.6) |
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 #071C17 | 17.68:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #071C17 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #071C17 text on white | 17.68:1 | AAA | Lc 104.4 | Preferred for body text |
| #071C17 text on black | 1.18:1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#AAC8BF
oklch(80.8% 0.035 175.4)
-
Step 400
400
#7CAC9F
oklch(70.6% 0.055 176)
-
Step 500
500
#589887
oklch(63.2% 0.071 174.9)
-
Step 600
600
#3B8271
oklch(55.6% 0.077 175.4)
-
Step 700
700
#2C6E5F
oklch(49.1% 0.072 175.8)
-
Step 800
800
#265A4D
oklch(42.8% 0.06 174.6)
-
Step 900
900
#244A40
oklch(37.8% 0.047 174.5)
-
Step 950
950 (this color)
#071C17
oklch(20.7% 0.029 175.6)
#071C17 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) | #1B1A17 | 0.031 |
| Deuteranopia (no green cones) | #171717 | 0.029 |
| Tritanopia (no blue cones) | #011C1A | 0.009 |
| Achromatopsia (no color) | #181818 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #071C17
#071C17
oklch(20.7% 0.029 175.6)
- #221218
#221218
oklch(20.7% 0.028 355.8)
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 #071C17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.041
- Rich Navy #001219 ΔE 0.045
- Almost Black #070D0D ΔE 0.058
- Jet #212529 ΔE 0.062
- Dark #1B2431 ΔE 0.063
- Dark Forest Green #002D04 ΔE 0.079
- Oxford Blue #1B263B ΔE 0.080
- Very Dark Green #062E03 ΔE 0.083
Use #071C17 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.