#07191B
Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.024 204.9), rgb(7, 25, 27).
Aa
White text reads best on this color (18.04:1).
About this color
#07191B is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.032 away. White text reads best on it, at 18.04:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.04:1 |
Values
| HEX | #07191B |
| RGB | rgb(7, 25, 27) |
| HSL | hsl(186, 59%, 7%) |
| OKLCH | oklch(19.9% 0.024 204.9) |
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 #07191B | 18.04:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #07191B | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #07191B text on white | 18.04:1 | AAA | Lc 104.7 | Preferred for body text |
| #07191B text on black | 1.16:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDE
oklch(88.4% 0.015 207.1)
-
Step 300
300
#ACC6C9
oklch(80.8% 0.028 205.1)
-
Step 400
400
#7FA9AE
oklch(70.6% 0.046 205.3)
-
Step 500
500
#5D949A
oklch(63.1% 0.059 204.6)
-
Step 600
600
#417E85
oklch(55.5% 0.064 205.2)
-
Step 700
700
#336B71
oklch(49.2% 0.059 204.7)
-
Step 800
800
#2B575C
oklch(42.7% 0.049 205.1)
-
Step 900
900
#27484B
oklch(37.8% 0.039 203.2)
-
Step 950
950 (this color)
#07191B
oklch(19.9% 0.024 204.9)
#07191B 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) | #17181B | 0.025 |
| Deuteranopia (no green cones) | #13151B | 0.022 |
| Tritanopia (no blue cones) | #001A1A | 0.011 |
| Achromatopsia (no color) | #161616 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #07191B
#07191B
oklch(19.9% 0.024 204.9)
- #201110
#201110
oklch(19.8% 0.025 23.8)
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 #07191B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.032
- Rich Navy #001219 ΔE 0.032
- Almost Black #070D0D ΔE 0.049
- Dark #1B2431 ΔE 0.063
- Jet #212529 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.079
- Very Dark Brown #1D0200 ΔE 0.092
- Navy Blue #001146 ΔE 0.092
Use #07191B 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.