#213934
Closest named color: Onyx (#343A40). oklch(32.3% 0.031 179.5), rgb(33, 57, 52).
Aa
White text reads best on this color (12.35:1).
About this color
#213934 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.031 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.037 away. White text reads best on it, at 12.35:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Onyx (#343A40) |
| Black text | 1.69:1 |
| White text | 12.35:1 |
Values
| HEX | #213934 |
| RGB | rgb(33, 57, 52) |
| HSL | hsl(167, 27%, 18%) |
| OKLCH | oklch(32.3% 0.031 179.5) |
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 #213934 | 12.35:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #213934 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #213934 text on white | 12.35:1 | AAA | Lc 98.1 | Preferred for body text |
| #213934 text on black | 1.69:1 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A8C9C1
oklch(80.9% 0.037 179)
-
Step 400
400
#77ADA2
oklch(70.7% 0.059 180.4)
-
Step 500
500
#51998B
oklch(63.2% 0.076 179.6)
-
Step 600
600
#308375
oklch(55.6% 0.083 180)
-
Step 700
700
#226F62
oklch(49.2% 0.077 179.5)
-
Step 800
800
#1F5A50
oklch(42.6% 0.063 180)
-
Step 900
900
#204A42
oklch(37.6% 0.049 179.4)
-
Step 950
950 (this color)
#213934
oklch(32.3% 0.031 179.5)
#213934 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) | #373634 | 0.034 |
| Deuteranopia (no green cones) | #333334 | 0.032 |
| Tritanopia (no blue cones) | #193A37 | 0.009 |
| Achromatopsia (no color) | #353535 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213934
#213934
oklch(32.3% 0.031 179.5)
- #412D33
#412D33
oklch(32.3% 0.031 359.3)
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 #213934, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.037
- Gunmetal #293241 ΔE 0.040
- Pakistan Green #283618 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.043
- Midnight Green #073B4C ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.056
- Evergreen #05472A ΔE 0.059
Use #213934 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.