#155140
Closest named color: Dark Blue Green (#005249). oklch(39.2% 0.067 170.1), rgb(21, 81, 64).
Aa
White text reads best on this color (9.19:1).
About this color
#155140 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.067 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.015 away. White text reads best on it, at 9.19:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #155140 |
| RGB | rgb(21, 81, 64) |
| HSL | hsl(163, 59%, 20%) |
| OKLCH | oklch(39.2% 0.067 170.1) |
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 #155140 | 9.19:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #155140 | 2.28:1 | Fails | Lc 13.0 | Not readable |
| #155140 text on white | 9.19:1 | AAA | Lc 90.9 | Preferred for body text |
| #155140 text on black | 2.28:1 | Fails | Lc -11.4 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8DFD6
oklch(88.4% 0.027 170.2)
-
Step 300
300
#A1CCBC
oklch(81% 0.051 170.3)
-
Step 400
400
#6AB199
oklch(70.7% 0.081 170.3)
-
Step 500
500
#399D80
oklch(63% 0.103 170.4)
-
Step 600
600
#008769
oklch(55.5% 0.11 170.1)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900 (this color)
#155140
oklch(39.2% 0.067 170.1)
-
Step 950
950
#0C2D23
oklch(26.9% 0.043 169.9)
#155140 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) | #4F4B3F | 0.070 |
| Deuteranopia (no green cones) | #464541 | 0.066 |
| Tritanopia (no blue cones) | #00524C | 0.020 |
| Achromatopsia (no color) | #484848 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155140
#155140
oklch(39.2% 0.067 170.1)
- #60364A
#60364A
oklch(39.2% 0.066 350.6)
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 #155140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.015
- Dark Teal #014D4E ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.039
- Deep Teal #00555A ΔE 0.041
- Evergreen #05472A ΔE 0.045
- Spruce #0A5F38 ΔE 0.052
- Pine #2B5D34 ΔE 0.053
- Pine Green #0A481E ΔE 0.054
Use #155140 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.