#0A584D
Closest named color: Dark Blue Green (#005249). oklch(41.4% 0.072 180.1), rgb(10, 88, 77).
Aa
White text reads best on this color (8.34:1).
About this color
#0A584D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.072 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.021 away. White text reads best on it, at 8.34:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #0A584D |
| RGB | rgb(10, 88, 77) |
| HSL | hsl(172, 80%, 19%) |
| OKLCH | oklch(41.4% 0.072 180.1) |
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 #0A584D | 8.34:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #0A584D | 2.51:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #0A584D text on white | 8.34:1 | AAA | Lc 88.4 | Fine for body text |
| #0A584D text on black | 2.51:1 | Fails | Lc -13.8 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#70AFA2
oklch(70.7% 0.068 179.7)
-
Step 500
500
#469A8B
oklch(63% 0.085 180)
-
Step 600
600
#1D8575
oklch(55.6% 0.094 179.6)
-
Step 700
700
#0A7063
oklch(49% 0.086 180.9)
-
Step 800
800 (this color)
#0A584D
oklch(41.4% 0.072 180.1)
-
Step 900
900
#184B43
oklch(37.6% 0.056 181)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#0A584D 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) | #54524D | 0.076 |
| Deuteranopia (no green cones) | #4A4B4E | 0.072 |
| Tritanopia (no blue cones) | #005A55 | 0.013 |
| Achromatopsia (no color) | #4E4E4E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A584D
#0A584D
oklch(41.4% 0.072 180.1)
- #6B3A4A
#6B3A4A
oklch(41.4% 0.072 359.8)
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 #0A584D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.021
- Deep Teal #00555A ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.038
- Dark Teal #014D4E ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.040
- Spruce #0A5F38 ΔE 0.046
- Petrol #005F6A ΔE 0.047
- Pine #2B5D34 ΔE 0.049
Use #0A584D 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.