#1A573C
Closest named color: Spruce (#0A5F38). oklch(41% 0.077 160.6), rgb(26, 87, 60).
Aa
White text reads best on this color (8.49:1).
About this color
#1A573C is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.077 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.029 away. White text reads best on it, at 8.49:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #1A573C |
| RGB | rgb(26, 87, 60) |
| HSL | hsl(153, 54%, 22%) |
| OKLCH | oklch(41% 0.077 160.6) |
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 #1A573C | 8.49:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #1A573C | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #1A573C text on white | 8.49:1 | AAA | Lc 89.0 | Fine for body text |
| #1A573C text on black | 2.47:1 | Fails | Lc -13.2 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDFD4
oklch(88.6% 0.025 160.5)
-
Step 300
300
#A8CAB7
oklch(80.9% 0.045 160.7)
-
Step 400
400
#78AF92
oklch(70.7% 0.072 160.8)
-
Step 500
500
#529B77
oklch(63.2% 0.092 160.7)
-
Step 600
600
#32855F
oklch(55.5% 0.1 160.4)
-
Step 700
700
#23714F
oklch(49.2% 0.094 160.8)
-
Step 800
800 (this color)
#1A573C
oklch(41% 0.077 160.6)
-
Step 900
900
#204B37
oklch(37.6% 0.06 161.4)
-
Step 950
950
#142C20
oklch(26.9% 0.038 160.6)
#1A573C 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) | #56503A | 0.074 |
| Deuteranopia (no green cones) | #4E4A3E | 0.073 |
| Tritanopia (no blue cones) | #005750 | 0.033 |
| Achromatopsia (no color) | #4D4D4D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A573C
#1A573C
oklch(41% 0.077 160.6)
- #663957
#663957
oklch(41.1% 0.076 340.7)
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 #1A573C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.029
- Pine #2B5D34 ΔE 0.030
- Dark Blue Green #005249 ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.052
- Deep Teal #00555A ΔE 0.052
- Navy Green #35530A ΔE 0.053
- Dark Teal #014D4E ΔE 0.054
Use #1A573C 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.