#191A28
Closest named color: Rich Black (#0D1B2A). oklch(22.4% 0.027 280.8), rgb(25, 26, 40).
Aa
White text reads best on this color (17.21:1).
About this color
#191A28 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.019 away. White text reads best on it, at 17.21:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.21:1 |
Values
| HEX | #191A28 |
| RGB | rgb(25, 26, 40) |
| HSL | hsl(236, 23%, 13%) |
| OKLCH | oklch(22.4% 0.027 280.8) |
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 #191A28 | 17.21:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #191A28 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #191A28 text on white | 17.21:1 | AAA | Lc 104.1 | Preferred for body text |
| #191A28 text on black | 1.21:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D7D8E5
oklch(88.5% 0.018 282.5)
-
Step 300
300
#BCBFD6
oklch(81% 0.032 279.7)
-
Step 400
400
#9A9DC1
oklch(70.6% 0.053 281.2)
-
Step 500
500
#8285B1
oklch(63.1% 0.066 281.3)
-
Step 600
600
#6B6F9D
oklch(55.7% 0.071 280)
-
Step 700
700
#5A5C86
oklch(49.1% 0.067 281.5)
-
Step 800
800
#494C6D
oklch(42.8% 0.055 279.8)
-
Step 900
900
#3D3F58
oklch(37.7% 0.043 280.6)
-
Step 950
950 (this color)
#191A28
oklch(22.4% 0.027 280.8)
#191A28 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) | #161C29 | 0.008 |
| Deuteranopia (no green cones) | #151B28 | 0.007 |
| Tritanopia (no blue cones) | #151D1F | 0.025 |
| Achromatopsia (no color) | #1B1B1B | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191A28
#191A28
oklch(22.4% 0.027 280.8)
- #1E1C0C
#1E1C0C
oklch(22.4% 0.028 102.1)
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 #191A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.019
- Dark #1B2431 ΔE 0.036
- Jet #212529 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.049
- Rich Navy #001219 ΔE 0.062
- Almost Black #070D0D ΔE 0.077
- Navy Blue #001146 ΔE 0.078
- Very Dark Purple #2A0134 ΔE 0.080
Use #191A28 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.