#174237
Closest named color: Evergreen (#05472A). oklch(34.5% 0.052 173.6), rgb(23, 66, 55).
Aa
White text reads best on this color (11.22:1).
About this color
#174237 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.052 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.034 away. White text reads best on it, at 11.22:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #174237 |
| RGB | rgb(23, 66, 55) |
| HSL | hsl(165, 48%, 17%) |
| OKLCH | oklch(34.5% 0.052 173.6) |
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 #174237 | 11.22:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #174237 | 1.87:1 | Fails | Lc 8.2 | Not readable |
| #174237 text on white | 11.22:1 | AAA | Lc 95.7 | Preferred for body text |
| #174237 text on black | 1.87:1 | 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
#A8C9BE
oklch(80.8% 0.039 173.1)
-
Step 400
400
#78AE9D
oklch(70.8% 0.062 172.8)
-
Step 500
500
#519985
oklch(63% 0.079 173.5)
-
Step 600
600
#31846F
oklch(55.7% 0.087 173.4)
-
Step 700
700
#236F5D
oklch(49% 0.079 174)
-
Step 800
800
#1F5B4C
oklch(42.8% 0.067 173.6)
-
Step 900
900 (this color)
#174237
oklch(34.5% 0.052 173.6)
-
Step 950
950
#142C25
oklch(27.1% 0.033 172.8)
#174237 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) | #403E36 | 0.054 |
| Deuteranopia (no green cones) | #393938 | 0.051 |
| Tritanopia (no blue cones) | #00433F | 0.016 |
| Achromatopsia (no color) | #3B3B3B | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174237
#174237
oklch(34.5% 0.052 173.6)
- #4E2E3B
#4E2E3B
oklch(34.5% 0.051 354.1)
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 #174237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.034
- Dark Teal #014D4E ΔE 0.044
- Onyx #343A40 ΔE 0.050
- Pine Green #0A481E ΔE 0.051
- Midnight Green #073B4C ΔE 0.052
- Pakistan Green #283618 ΔE 0.052
- Charcoal #264653 ΔE 0.052
- Dark Blue Green #005249 ΔE 0.053
Use #174237 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.