#10574E
Closest named color: Dark Blue Green (#005249). oklch(41.3% 0.068 182.2), rgb(16, 87, 78).
Aa
White text reads best on this color (8.41:1).
About this color
#10574E is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.019 away. White text reads best on it, at 8.41:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #10574E |
| RGB | rgb(16, 87, 78) |
| HSL | hsl(172, 69%, 20%) |
| OKLCH | oklch(41.3% 0.068 182.2) |
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 #10574E | 8.41:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #10574E | 2.49:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #10574E text on white | 8.41:1 | AAA | Lc 88.7 | Fine for body text |
| #10574E text on black | 2.49:1 | Fails | Lc -13.5 | 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
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A5C9C2
oklch(80.8% 0.04 182.2)
-
Step 400
400
#73AEA4
oklch(70.7% 0.063 182.6)
-
Step 500
500
#499A8D
oklch(63.2% 0.082 181.7)
-
Step 600
600
#258477
oklch(55.6% 0.088 181.9)
-
Step 700
700
#147064
oklch(49.2% 0.083 181.6)
-
Step 800
800 (this color)
#10574E
oklch(41.3% 0.068 182.2)
-
Step 900
900
#1B4B44
oklch(37.8% 0.053 182.3)
-
Step 950
950
#112C28
oklch(27% 0.034 182.9)
#10574E 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) | #53514E | 0.073 |
| Deuteranopia (no green cones) | #494A4F | 0.069 |
| Tritanopia (no blue cones) | #005954 | 0.010 |
| Achromatopsia (no color) | #4D4D4D | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10574E
#10574E
oklch(41.3% 0.068 182.2)
- #6A3B48
#6A3B48
oklch(41.4% 0.068 2.7)
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 #10574E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.019
- Deep Teal #00555A ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Teal #014D4E ΔE 0.036
- Dark Green Blue #1F6357 ΔE 0.041
- Petrol #005F6A ΔE 0.046
- Spruce #0A5F38 ΔE 0.051
- Pine #2B5D34 ΔE 0.052
Use #10574E 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.