#15544D
Closest named color: Dark Blue Green (#005249). oklch(40.5% 0.063 184.3), rgb(21, 84, 77).
Aa
White text reads best on this color (8.72:1).
About this color
#15544D is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.063 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.014 away. White text reads best on it, at 8.72:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.40:1 |
| White text | 8.72:1 |
Values
| HEX | #15544D |
| RGB | rgb(21, 84, 77) |
| HSL | hsl(173, 60%, 21%) |
| OKLCH | oklch(40.5% 0.063 184.3) |
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 #15544D | 8.72:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #15544D | 2.40:1 | Fails | Lc 14.4 | Not readable |
| #15544D text on white | 8.72:1 | AAA | Lc 89.6 | Fine for body text |
| #15544D text on black | 2.40:1 | Fails | Lc -12.6 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C3
oklch(80.9% 0.037 183.5)
-
Step 400
400
#76ADA5
oklch(70.7% 0.059 184.6)
-
Step 500
500
#4F998F
oklch(63.2% 0.076 184.1)
-
Step 600
600
#2E8379
oklch(55.6% 0.082 184.3)
-
Step 700
700
#1F6F66
oklch(49.2% 0.077 184.2)
-
Step 800
800 (this color)
#15544D
oklch(40.5% 0.063 184.3)
-
Step 900
900
#1F4A45
oklch(37.7% 0.049 185.3)
-
Step 950
950
#132B28
oklch(26.8% 0.031 185.1)
#15544D 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) | #504F4D | 0.068 |
| Deuteranopia (no green cones) | #47484E | 0.065 |
| Tritanopia (no blue cones) | #005652 | 0.010 |
| Achromatopsia (no color) | #4B4B4B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15544D
#15544D
oklch(40.5% 0.063 184.3)
- #663A45
#663A45
oklch(40.6% 0.064 4.2)
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 #15544D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.014
- Deep Teal #00555A ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.027
- Dark Teal #014D4E ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.050
- Petrol #005F6A ΔE 0.051
- Charcoal #264653 ΔE 0.052
- Spruce #0A5F38 ΔE 0.057
Use #15544D 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.