#042B2C
Closest named color: Jet (#212529). oklch(26.4% 0.042 197.5), rgb(4, 43, 44).
Aa
White text reads best on this color (15.13:1).
About this color
#042B2C is a dark, muted teal or cyan. In OKLCH its lightness is 26%, its chroma 0.042 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.036 away. White text reads best on it, at 15.13:1.
| Hue family | Teals and cyans |
| Lightness | dark (26%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.38:1 |
| White text | 15.13:1 |
Values
| HEX | #042B2C |
| RGB | rgb(4, 43, 44) |
| HSL | hsl(182, 83%, 9%) |
| OKLCH | oklch(26.4% 0.042 197.5) |
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 #042B2C | 15.13:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #042B2C | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #042B2C text on white | 15.13:1 | AAA | Lc 101.8 | Preferred for body text |
| #042B2C text on black | 1.38:1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C5DFDF
oklch(88.5% 0.028 196.7)
-
Step 300
300
#9CCBCC
oklch(80.9% 0.049 197.9)
-
Step 400
400
#60B0B2
oklch(70.7% 0.079 197.6)
-
Step 500
500
#1F9C9F
oklch(63.1% 0.101 197.4)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950 (this color)
#042B2C
oklch(26.4% 0.042 197.5)
#042B2C 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) | #27282C | 0.043 |
| Deuteranopia (no green cones) | #21242C | 0.040 |
| Tritanopia (no blue cones) | #002D2B | 0.008 |
| Achromatopsia (no color) | #262626 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #042B2C
#042B2C
oklch(26.4% 0.042 197.5)
- #371C1D
#371C1D
oklch(26.4% 0.043 18)
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 #042B2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.036
- Dark #1B2431 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.046
- Rich Black #0D1B2A ΔE 0.058
- Gunmetal #293241 ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.067
- Very Dark Green #062E03 ΔE 0.068
Use #042B2C 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.