#1D573F
Closest named color: Dark Blue Green (#005249). oklch(41.2% 0.073 162.7), rgb(29, 87, 63).
Aa
White text reads best on this color (8.44:1).
About this color
#1D573F is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.073 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.030 away. White text reads best on it, at 8.44:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #1D573F |
| RGB | rgb(29, 87, 63) |
| HSL | hsl(155, 50%, 23%) |
| OKLCH | oklch(41.2% 0.073 162.7) |
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 #1D573F | 8.44:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #1D573F | 2.48:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #1D573F text on white | 8.44:1 | AAA | Lc 88.8 | Fine for body text |
| #1D573F text on black | 2.48:1 | Fails | Lc -13.4 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A9CAB9
oklch(81% 0.043 162.9)
-
Step 400
400
#79AE94
oklch(70.6% 0.068 162.7)
-
Step 500
500
#549A7A
oklch(63.1% 0.087 162.7)
-
Step 600
600
#358463
oklch(55.5% 0.094 163)
-
Step 700
700
#267052
oklch(49.1% 0.088 163)
-
Step 800
800 (this color)
#1D573F
oklch(41.2% 0.073 162.7)
-
Step 900
900
#224B39
oklch(37.7% 0.056 163.1)
-
Step 950
950
#152C21
oklch(27% 0.036 161.9)
#1D573F 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) | #56513E | 0.071 |
| Deuteranopia (no green cones) | #4E4B41 | 0.069 |
| Tritanopia (no blue cones) | #005750 | 0.029 |
| Achromatopsia (no color) | #4D4D4D | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D573F
#1D573F
oklch(41.2% 0.073 162.7)
- #663A55
#663A55
oklch(41.2% 0.073 343.2)
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 #1D573F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.030
- Pine #2B5D34 ΔE 0.032
- Spruce #0A5F38 ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.047
- Deep Teal #00555A ΔE 0.048
- Dark Teal #014D4E ΔE 0.051
- Navy Green #35530A ΔE 0.057
Use #1D573F 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.