#174137
Closest named color: Evergreen (#05472A). oklch(34.2% 0.05 175), rgb(23, 65, 55).
Aa
White text reads best on this color (11.36:1).
About this color
#174137 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.050 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.037 away. White text reads best on it, at 11.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.84:1 |
| White text | 11.36:1 |
Values
| HEX | #174137 |
| RGB | rgb(23, 65, 55) |
| HSL | hsl(166, 48%, 17%) |
| OKLCH | oklch(34.2% 0.05 175) |
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 #174137 | 11.36:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #174137 | 1.84:1 | Fails | Lc 7.9 | Not readable |
| #174137 text on white | 11.36:1 | AAA | Lc 96.0 | Preferred for body text |
| #174137 text on black | 1.84:1 | 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 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
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A8C9BF
oklch(80.9% 0.038 175)
-
Step 400
400
#78AD9E
oklch(70.6% 0.06 174.9)
-
Step 500
500
#539987
oklch(63.2% 0.077 175.1)
-
Step 600
600
#338370
oklch(55.5% 0.084 174.8)
-
Step 700
700
#256F5E
oklch(49.1% 0.078 174.8)
-
Step 800
800
#215A4D
oklch(42.6% 0.063 175.6)
-
Step 900
900 (this color)
#174137
oklch(34.2% 0.05 175)
-
Step 950
950
#142C25
oklch(27.1% 0.033 172.8)
#174137 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) | #3F3D37 | 0.053 |
| Deuteranopia (no green cones) | #383838 | 0.050 |
| Tritanopia (no blue cones) | #00423E | 0.015 |
| Achromatopsia (no color) | #3A3A3A | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174137
#174137
oklch(34.2% 0.05 175)
- #4D2D3A
#4D2D3A
oklch(34.2% 0.051 354.2)
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 #174137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.037
- Dark Teal #014D4E ΔE 0.046
- Onyx #343A40 ΔE 0.048
- Midnight Green #073B4C ΔE 0.049
- Pakistan Green #283618 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.051
- Charcoal #264653 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.053
Use #174137 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.