#015D4C
Closest named color: Dark Green Blue (#1F6357). oklch(42.7% 0.081 174.5), rgb(1, 93, 76).
Aa
White text reads best on this color (7.86:1).
About this color
#015D4C is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.081 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.029 away. White text reads best on it, at 7.86:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.67:1 |
| White text | 7.86:1 |
Values
| HEX | #015D4C |
| RGB | rgb(1, 93, 76) |
| HSL | hsl(169, 98%, 18%) |
| OKLCH | oklch(42.7% 0.081 174.5) |
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 #015D4C | 7.86:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #015D4C | 2.67:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #015D4C text on white | 7.86:1 | AAA | Lc 86.8 | Fine for body text |
| #015D4C text on black | 2.67:1 | Fails | Lc -15.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD8
oklch(88.5% 0.026 175.5)
-
Step 300
300
#A2CBBE
oklch(80.9% 0.047 173.8)
-
Step 400
400
#6CB09D
oklch(70.6% 0.075 174.3)
-
Step 500
500
#3D9C86
oklch(63% 0.096 175.1)
-
Step 600
600
#04876F
oklch(55.7% 0.105 174.2)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800 (this color)
#015D4C
oklch(42.7% 0.081 174.5)
-
Step 900
900
#124C3F
oklch(37.6% 0.063 174.5)
-
Step 950
950
#0D2D25
oklch(27.1% 0.041 174)
#015D4C 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) | #59564B | 0.083 |
| Deuteranopia (no green cones) | #4F4E4D | 0.081 |
| Tritanopia (no blue cones) | #005E58 | 0.019 |
| Achromatopsia (no color) | #525252 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #015D4C
#015D4C
oklch(42.7% 0.081 174.5)
- #713B52
#713B52
oklch(42.7% 0.081 354.1)
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 #015D4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.029
- Spruce #0A5F38 ΔE 0.034
- Dark Blue Green #005249 ΔE 0.036
- Pine #2B5D34 ΔE 0.039
- Deep Teal #00555A ΔE 0.041
- Petrol #005F6A ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Aqua #05696B ΔE 0.056
Use #015D4C 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.