#1D232A
Closest named color: Jet (#212529). oklch(25.3% 0.016 252.4), rgb(29, 35, 42).
Aa
White text reads best on this color (15.83:1).
About this color
#1D232A is a dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.011 away. White text reads best on it, at 15.83:1.
| Hue family | Neutrals |
| Lightness | dark (25%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.32:1 |
| White text | 15.83:1 |
Values
| HEX | #1D232A |
| RGB | rgb(29, 35, 42) |
| HSL | hsl(212, 18%, 14%) |
| OKLCH | oklch(25.3% 0.016 252.4) |
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 #1D232A | 15.83:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #1D232A | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #1D232A text on white | 15.83:1 | AAA | Lc 102.8 | Preferred for body text |
| #1D232A text on black | 1.32:1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CD
oklch(81% 0.019 250.6)
-
Step 400
400
#94A2B3
oklch(70.7% 0.03 253.3)
-
Step 500
500
#798BA1
oklch(63% 0.039 253.6)
-
Step 600
600
#62758C
oklch(55.6% 0.042 253.4)
-
Step 700
700
#516277
oklch(49% 0.04 253.9)
-
Step 800
800
#425061
oklch(42.6% 0.033 253.5)
-
Step 900
900
#38434F
oklch(37.8% 0.025 250.7)
-
Step 950
950 (this color)
#1D232A
oklch(25.3% 0.016 252.4)
#1D232A 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) | #20232A | 0.005 |
| Deuteranopia (no green cones) | #1F222A | 0.005 |
| Tritanopia (no blue cones) | #192525 | 0.015 |
| Achromatopsia (no color) | #222222 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D232A
#1D232A
oklch(25.3% 0.016 252.4)
- #27211A
#27211A
oklch(25.2% 0.016 71.3)
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 #1D232A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.011
- Dark #1B2431 ΔE 0.013
- Oxford Blue #1B263B ΔE 0.031
- Rich Black #0D1B2A ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.057
- Gunmetal #293241 ΔE 0.064
- Dark Brown #341C02 ΔE 0.070
- Pakistan Green #283618 ΔE 0.086
Use #1D232A 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.