#213831
Closest named color: Pakistan Green (#283618). oklch(31.9% 0.032 173), rgb(33, 56, 49).
Aa
White text reads best on this color (12.53:1).
About this color
#213831 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.032 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.038 away. White text reads best on it, at 12.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.67:1 |
| White text | 12.53:1 |
Values
| HEX | #213831 |
| RGB | rgb(33, 56, 49) |
| HSL | hsl(162, 26%, 17%) |
| OKLCH | oklch(31.9% 0.032 173) |
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 #213831 | 12.53:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #213831 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #213831 text on white | 12.53:1 | AAA | Lc 98.4 | Preferred for body text |
| #213831 text on black | 1.67:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A9C9BE
oklch(80.9% 0.038 172.5)
-
Step 400
400
#79AD9D
oklch(70.6% 0.06 173.4)
-
Step 500
500
#549985
oklch(63.1% 0.077 172.9)
-
Step 600
600
#35836F
oklch(55.6% 0.083 173.6)
-
Step 700
700
#276F5C
oklch(49.1% 0.078 172.5)
-
Step 800
800
#225A4C
oklch(42.6% 0.063 174)
-
Step 900
900
#224A3F
oklch(37.6% 0.05 173.4)
-
Step 950
950 (this color)
#213831
oklch(31.9% 0.032 173)
#213831 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) | #373531 | 0.034 |
| Deuteranopia (no green cones) | #333231 | 0.032 |
| Tritanopia (no blue cones) | #1A3836 | 0.011 |
| Achromatopsia (no color) | #343434 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213831
#213831
oklch(31.9% 0.032 173)
- #402C34
#402C34
oklch(32% 0.032 353.3)
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 #213831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.038
- Onyx #343A40 ΔE 0.041
- Gunmetal #293241 ΔE 0.043
- Midnight Green #073B4C ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.058
- Evergreen #05472A ΔE 0.060
Use #213831 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.