#155443
Closest named color: Dark Blue Green (#005249). oklch(40.2% 0.069 170.9), rgb(21, 84, 67).
Aa
White text reads best on this color (8.81:1).
About this color
#155443 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.016 away. White text reads best on it, at 8.81:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #155443 |
| RGB | rgb(21, 84, 67) |
| HSL | hsl(164, 60%, 21%) |
| OKLCH | oklch(40.2% 0.069 170.9) |
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 #155443 | 8.81:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #155443 | 2.38:1 | Fails | Lc 14.1 | Not readable |
| #155443 text on white | 8.81:1 | AAA | Lc 89.9 | Fine for body text |
| #155443 text on black | 2.38:1 | Fails | Lc -12.4 | 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
#C7E0D6
oklch(88.5% 0.03 169.6)
-
Step 300
300
#A0CCBC
oklch(80.9% 0.052 170.8)
-
Step 400
400
#68B29A
oklch(70.8% 0.083 171)
-
Step 500
500
#349E81
oklch(63.1% 0.106 171.1)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900 (this color)
#155443
oklch(40.2% 0.069 170.9)
-
Step 950
950
#0B2D23
oklch(26.9% 0.044 170.3)
#155443 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) | #514E42 | 0.070 |
| Deuteranopia (no green cones) | #494844 | 0.068 |
| Tritanopia (no blue cones) | #00554F | 0.019 |
| Achromatopsia (no color) | #4A4A4A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155443
#155443
oklch(40.2% 0.069 170.9)
- #64384D
#64384D
oklch(40.2% 0.069 350.6)
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 #155443, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.016
- Dark Teal #014D4E ΔE 0.036
- Deep Teal #00555A ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.038
- Spruce #0A5F38 ΔE 0.045
- Pine #2B5D34 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.053
- Evergreen #05472A ΔE 0.054
Use #155443 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.