#1F2D30
Closest named color: Jet (#212529). oklch(28.6% 0.02 212.3), rgb(31, 45, 48).
Aa
White text reads best on this color (14.22:1).
About this color
#1F2D30 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.027 away. White text reads best on it, at 14.22:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.47:1 |
| White text | 14.22:1 |
Values
| HEX | #1F2D30 |
| RGB | rgb(31, 45, 48) |
| HSL | hsl(191, 22%, 15%) |
| OKLCH | oklch(28.6% 0.02 212.3) |
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 #1F2D30 | 14.22:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #1F2D30 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #1F2D30 text on white | 14.22:1 | AAA | Lc 100.9 | Preferred for body text |
| #1F2D30 text on black | 1.47:1 | 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
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDE
oklch(88.6% 0.013 208.8)
-
Step 300
300
#B0C5C9
oklch(80.9% 0.024 210.4)
-
Step 400
400
#87A7AE
oklch(70.7% 0.037 212.5)
-
Step 500
500
#68929A
oklch(63.2% 0.047 210.7)
-
Step 600
600
#4E7C85
oklch(55.7% 0.052 211.3)
-
Step 700
700
#3F6871
oklch(49.1% 0.048 213.2)
-
Step 800
800
#34555C
oklch(42.7% 0.04 212.5)
-
Step 900
900
#2E464B
oklch(37.7% 0.031 212.1)
-
Step 950
950 (this color)
#1F2D30
oklch(28.6% 0.02 212.3)
#1F2D30 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) | #2B2C30 | 0.019 |
| Deuteranopia (no green cones) | #282A30 | 0.017 |
| Tritanopia (no blue cones) | #192E2E | 0.010 |
| Achromatopsia (no color) | #2B2B2B | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F2D30
#1F2D30
oklch(28.6% 0.02 212.3)
- #332724
#332724
oklch(28.6% 0.019 34.4)
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 #1F2D30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.027
- Dark #1B2431 ΔE 0.034
- Gunmetal #293241 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.040
- Midnight Green #073B4C ΔE 0.059
- Pakistan Green #283618 ΔE 0.060
- Onyx #343A40 ΔE 0.061
Use #1F2D30 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.