#21302D
Closest named color: Jet (#212529). oklch(29.5% 0.021 181.1), rgb(33, 48, 45).
Aa
White text reads best on this color (13.76:1).
About this color
#21302D is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 13.76:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.52:1 |
| White text | 13.76:1 |
Values
| HEX | #21302D |
| RGB | rgb(33, 48, 45) |
| HSL | hsl(168, 19%, 16%) |
| OKLCH | oklch(29.5% 0.021 181.1) |
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 #21302D | 13.76:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #21302D | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #21302D text on white | 13.76:1 | AAA | Lc 100.3 | Preferred for body text |
| #21302D text on black | 1.52:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D0DCD9
oklch(88.5% 0.014 179.4)
-
Step 300
300
#B0C6C1
oklch(80.8% 0.025 180.5)
-
Step 400
400
#86A9A2
oklch(70.7% 0.04 181.6)
-
Step 500
500
#67948B
oklch(63.1% 0.051 180.8)
-
Step 600
600
#4E7E75
oklch(55.6% 0.054 181)
-
Step 700
700
#3E6A62
oklch(49% 0.051 181.2)
-
Step 800
800
#345750
oklch(42.8% 0.042 180.1)
-
Step 900
900
#2E4742
oklch(37.6% 0.032 180.6)
-
Step 950
950 (this color)
#21302D
oklch(29.5% 0.021 181.1)
#21302D 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) | #2F2E2D | 0.023 |
| Deuteranopia (no green cones) | #2C2C2D | 0.021 |
| Tritanopia (no blue cones) | #1D312F | 0.006 |
| Achromatopsia (no color) | #2D2D2D | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21302D
#21302D
oklch(29.5% 0.021 181.1)
- #36282C
#36282C
oklch(29.5% 0.022 359.6)
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 #21302D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.038
- Gunmetal #293241 ΔE 0.039
- Pakistan Green #283618 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.047
- Dark #1B2431 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.051
- Onyx #343A40 ΔE 0.054
- Midnight Green #073B4C ΔE 0.058
Use #21302D 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.