#042F2E
Closest named color: Jet (#212529). oklch(27.7% 0.045 192.5), rgb(4, 47, 46).
Aa
White text reads best on this color (14.47:1).
About this color
#042F2E is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.045 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.043 away. White text reads best on it, at 14.47:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.45:1 |
| White text | 14.47:1 |
Values
| HEX | #042F2E |
| RGB | rgb(4, 47, 46) |
| HSL | hsl(179, 84%, 10%) |
| OKLCH | oklch(27.7% 0.045 192.5) |
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 #042F2E | 14.47:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #042F2E | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #042F2E text on white | 14.47:1 | AAA | Lc 101.0 | Preferred for body text |
| #042F2E text on black | 1.45:1 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C4E0DE
oklch(88.6% 0.03 191.4)
-
Step 300
300
#99CCCA
oklch(80.9% 0.053 193.1)
-
Step 400
400
#5AB1AF
oklch(70.6% 0.084 193.4)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950 (this color)
#042F2E
oklch(27.7% 0.045 192.5)
#042F2E 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) | #2B2C2E | 0.046 |
| Deuteranopia (no green cones) | #25282E | 0.042 |
| Tritanopia (no blue cones) | #00312F | 0.007 |
| Achromatopsia (no color) | #292929 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #042F2E
#042F2E
oklch(27.7% 0.045 192.5)
- #3B1F22
#3B1F22
oklch(27.8% 0.044 13.4)
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 #042F2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.043
- Dark #1B2431 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.051
- Gunmetal #293241 ΔE 0.058
- Midnight Green #073B4C ΔE 0.061
- Pakistan Green #283618 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.063
- Very Dark Green #062E03 ΔE 0.066
Use #042F2E 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.