#005A47
Closest named color: Dark Blue Green (#005249). oklch(41.7% 0.081 172), rgb(0, 90, 71).
Aa
White text reads best on this color (8.22:1).
About this color
#005A47 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 42%, its chroma 0.081 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.029 away. White text reads best on it, at 8.22:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.55:1 |
| White text | 8.22:1 |
Values
| HEX | #005A47 |
| RGB | rgb(0, 90, 71) |
| HSL | hsl(167, 100%, 18%) |
| OKLCH | oklch(41.7% 0.081 172) |
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 #005A47 | 8.22:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #005A47 | 2.55:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #005A47 text on white | 8.22:1 | AAA | Lc 87.9 | Fine for body text |
| #005A47 text on black | 2.55:1 | Fails | Lc -14.2 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A3CBBD
oklch(80.9% 0.047 171.8)
-
Step 400
400
#6DB09B
oklch(70.6% 0.076 172.1)
-
Step 500
500
#409C83
oklch(63% 0.096 172.4)
-
Step 600
600
#0E876C
oklch(55.7% 0.105 171.7)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800 (this color)
#005A47
oklch(41.7% 0.081 172)
-
Step 900
900
#144C3E
oklch(37.6% 0.062 172.8)
-
Step 950
950
#0E2D24
oklch(27.1% 0.041 171.3)
#005A47 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) | #575346 | 0.084 |
| Deuteranopia (no green cones) | #4D4C48 | 0.080 |
| Tritanopia (no blue cones) | #005B55 | 0.023 |
| Achromatopsia (no color) | #4F4F4F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005A47
#005A47
oklch(41.7% 0.081 172)
- #6D3851
#6D3851
oklch(41.6% 0.082 351.6)
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 #005A47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.029
- Spruce #0A5F38 ΔE 0.033
- Pine #2B5D34 ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.040
- Deep Teal #00555A ΔE 0.041
- Dark Teal #014D4E ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Petrol #005F6A ΔE 0.057
Use #005A47 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.