#1A190F
Closest named color: Rich Black (#0D1B2A). oklch(21.1% 0.019 103), rgb(26, 25, 15).
Aa
White text reads best on this color (17.64:1).
About this color
#1A190F is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.053 away. White text reads best on it, at 17.64:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.64:1 |
Values
| HEX | #1A190F |
| RGB | rgb(26, 25, 15) |
| HSL | hsl(55, 27%, 8%) |
| OKLCH | oklch(21.1% 0.019 103) |
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 #1A190F | 17.64:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #1A190F | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #1A190F text on white | 17.64:1 | AAA | Lc 104.5 | Preferred for body text |
| #1A190F 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#DADAD1
oklch(88.6% 0.012 106.6)
-
Step 300
300
#C3C1B1
oklch(80.8% 0.022 101.1)
-
Step 400
400
#A4A289
oklch(70.7% 0.035 103.5)
-
Step 500
500
#8E8B6C
oklch(63.1% 0.044 103)
-
Step 600
600
#787553
oklch(55.6% 0.05 103.6)
-
Step 700
700
#656244
oklch(49.1% 0.045 103.1)
-
Step 800
800
#535038
oklch(42.7% 0.037 101.8)
-
Step 900
900
#444230
oklch(37.6% 0.029 102.4)
-
Step 950
950 (this color)
#1A190F
oklch(21.1% 0.019 103)
#1A190F 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) | #1B180E | 0.004 |
| Deuteranopia (no green cones) | #1B190F | 0.002 |
| Tritanopia (no blue cones) | #1C1816 | 0.016 |
| Achromatopsia (no color) | #191919 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A190F
#1A190F
oklch(21.1% 0.019 103)
- #171821
#171821
oklch(21.2% 0.018 279.8)
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 #1A190F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.053
- Jet #212529 ΔE 0.058
- Dark Brown #341C02 ΔE 0.059
- Rich Navy #001219 ΔE 0.061
- Almost Black #070D0D ΔE 0.063
- Dark #1B2431 ΔE 0.065
- Very Dark Brown #1D0200 ΔE 0.078
- Oxford Blue #1B263B ΔE 0.084
Use #1A190F 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.