#234E41
Closest named color: Dark Blue Green (#005249). oklch(38.9% 0.053 171.3), rgb(35, 78, 65).
Aa
White text reads best on this color (9.38:1).
About this color
#234E41 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.053 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.021 away. White text reads best on it, at 9.38:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #234E41 |
| RGB | rgb(35, 78, 65) |
| HSL | hsl(162, 38%, 22%) |
| OKLCH | oklch(38.9% 0.053 171.3) |
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 #234E41 | 9.38:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #234E41 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #234E41 text on white | 9.38:1 | AAA | Lc 91.5 | Preferred for body text |
| #234E41 text on black | 2.23:1 | Fails | Lc -10.8 | 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 900.
-
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
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A8C9BD
oklch(80.8% 0.039 171.3)
-
Step 400
400
#77AE9B
oklch(70.7% 0.064 170.8)
-
Step 500
500
#519A83
oklch(63.2% 0.082 170.9)
-
Step 600
600
#30846D
oklch(55.6% 0.089 171.7)
-
Step 700
700
#21705B
oklch(49.2% 0.083 171.5)
-
Step 800
800
#1E5B4A
oklch(42.7% 0.069 171.3)
-
Step 900
900 (this color)
#234E41
oklch(38.9% 0.053 171.3)
-
Step 950
950
#142C24
oklch(27.1% 0.034 170)
#234E41 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) | #4C4940 | 0.055 |
| Deuteranopia (no green cones) | #454442 | 0.053 |
| Tritanopia (no blue cones) | #114F4A | 0.017 |
| Achromatopsia (no color) | #464646 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234E41
#234E41
oklch(38.9% 0.053 171.3)
- #5B3948
#5B3948
oklch(39% 0.053 351.8)
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 #234E41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Teal #014D4E ΔE 0.029
- Deep Teal #00555A ΔE 0.041
- Charcoal #264653 ΔE 0.048
- Evergreen #05472A ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.051
- Pine Green #0A481E ΔE 0.059
Use #234E41 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.