#174139
Closest named color: Evergreen (#05472A). oklch(34.3% 0.049 178.7), rgb(23, 65, 57).
Aa
White text reads best on this color (11.34:1).
About this color
#174139 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.049 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.039 away. White text reads best on it, at 11.34:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.85:1 |
| White text | 11.34:1 |
Values
| HEX | #174139 |
| RGB | rgb(23, 65, 57) |
| HSL | hsl(169, 48%, 17%) |
| OKLCH | oklch(34.3% 0.049 178.7) |
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 #174139 | 11.34:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #174139 | 1.85:1 | Fails | Lc 7.9 | Not readable |
| #174139 text on white | 11.34:1 | AAA | Lc 96.0 | Preferred for body text |
| #174139 text on black | 1.85:1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDED9
oklch(88.6% 0.02 177.4)
-
Step 300
300
#A8C9C1
oklch(80.9% 0.037 179)
-
Step 400
400
#78ADA1
oklch(70.7% 0.059 178.8)
-
Step 500
500
#52998A
oklch(63.2% 0.076 178.4)
-
Step 600
600
#338374
oklch(55.6% 0.081 178.7)
-
Step 700
700
#246F61
oklch(49.2% 0.076 178.2)
-
Step 800
800
#205A4F
oklch(42.6% 0.063 178.5)
-
Step 900
900 (this color)
#174139
oklch(34.3% 0.049 178.7)
-
Step 950
950
#142B27
oklch(26.9% 0.03 181.4)
#174139 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) | #3E3D39 | 0.051 |
| Deuteranopia (no green cones) | #38383A | 0.050 |
| Tritanopia (no blue cones) | #00423F | 0.015 |
| Achromatopsia (no color) | #3A3A3A | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174139
#174139
oklch(34.3% 0.049 178.7)
- #4D2E38
#4D2E38
oklch(34.3% 0.048 359.1)
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 #174139, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.039
- Dark Teal #014D4E ΔE 0.045
- Onyx #343A40 ΔE 0.046
- Midnight Green #073B4C ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.048
- Charcoal #264653 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.051
- Pakistan Green #283618 ΔE 0.053
Use #174139 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.