#05554D
Closest named color: Dark Blue Green (#005249). oklch(40.5% 0.07 183.8), rgb(5, 85, 77).
Aa
White text reads best on this color (8.70:1).
About this color
#05554D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.011 away. White text reads best on it, at 8.70:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #05554D |
| RGB | rgb(5, 85, 77) |
| HSL | hsl(174, 89%, 18%) |
| OKLCH | oklch(40.5% 0.07 183.8) |
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 #05554D | 8.70:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #05554D | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #05554D text on white | 8.70:1 | AAA | Lc 89.4 | Fine for body text |
| #05554D text on black | 2.41:1 | Fails | Lc -12.8 | 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
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A4CAC3
oklch(80.9% 0.042 182.8)
-
Step 400
400
#71AEA5
oklch(70.7% 0.065 184.2)
-
Step 500
500
#469A8F
oklch(63.1% 0.083 183.9)
-
Step 600
600
#1D8479
oklch(55.5% 0.091 184.1)
-
Step 700
700
#0B7066
oklch(49.1% 0.084 183.9)
-
Step 800
800 (this color)
#05554D
oklch(40.5% 0.07 183.8)
-
Step 900
900
#184B45
oklch(37.7% 0.055 184.4)
-
Step 950
950
#102C28
oklch(27% 0.035 183.1)
#05554D 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 | 0.074 |
| Deuteranopia (no green cones) | #46484E | 0.070 |
| Tritanopia (no blue cones) | #005752 | 0.009 |
| Achromatopsia (no color) | #4B4B4B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05554D
#05554D
oklch(40.5% 0.07 183.8)
- #683845
#683845
oklch(40.5% 0.07 3.3)
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 #05554D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.011
- Deep Teal #00555A ΔE 0.022
- Dark Teal #014D4E ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Green Blue #1F6357 ΔE 0.049
- Petrol #005F6A ΔE 0.051
- Spruce #0A5F38 ΔE 0.054
- Charcoal #264653 ΔE 0.056
Use #05554D 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.