#15564A
Closest named color: Dark Blue Green (#005249). oklch(41% 0.067 177.7), rgb(21, 86, 74).
Aa
White text reads best on this color (8.53:1).
About this color
#15564A is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.067 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.017 away. White text reads best on it, at 8.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.46:1 |
| White text | 8.53:1 |
Values
| HEX | #15564A |
| RGB | rgb(21, 86, 74) |
| HSL | hsl(169, 61%, 21%) |
| OKLCH | oklch(41% 0.067 177.7) |
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 #15564A | 8.53:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #15564A | 2.46:1 | Fails | Lc 14.9 | Not readable |
| #15564A text on white | 8.53:1 | AAA | Lc 89.1 | Fine for body text |
| #15564A text on black | 2.46:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A7C9C0
oklch(80.8% 0.038 177.5)
-
Step 400
400
#75AEA0
oklch(70.7% 0.063 177.3)
-
Step 500
500
#4E9989
oklch(63% 0.079 177.9)
-
Step 600
600
#2C8473
oklch(55.7% 0.087 177.6)
-
Step 700
700
#1D7060
oklch(49.2% 0.081 176.9)
-
Step 800
800 (this color)
#15564A
oklch(41% 0.067 177.7)
-
Step 900
900
#1E4B41
oklch(37.8% 0.053 176.6)
-
Step 950
950
#132C26
oklch(27.1% 0.033 176.2)
#15564A 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) | #525049 | 0.070 |
| Deuteranopia (no green cones) | #494A4B | 0.066 |
| Tritanopia (no blue cones) | #005752 | 0.013 |
| Achromatopsia (no color) | #4C4C4C | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15564A
#15564A
oklch(41% 0.067 177.7)
- #673A4A
#673A4A
oklch(40.9% 0.067 357.7)
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 #15564A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.017
- Deep Teal #00555A ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Teal #014D4E ΔE 0.036
- Dark Green Blue #1F6357 ΔE 0.044
- Spruce #0A5F38 ΔE 0.048
- Pine #2B5D34 ΔE 0.049
- Petrol #005F6A ΔE 0.052
Use #15564A 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.