#1A573E
Closest named color: Dark Blue Green (#005249). oklch(41% 0.075 162.4), rgb(26, 87, 62).
Aa
White text reads best on this color (8.47:1).
About this color
#1A573E is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.075 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.031 away. White text reads best on it, at 8.47:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #1A573E |
| RGB | rgb(26, 87, 62) |
| HSL | hsl(155, 54%, 22%) |
| OKLCH | oklch(41% 0.075 162.4) |
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 #1A573E | 8.47:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #1A573E | 2.47:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #1A573E text on white | 8.47:1 | AAA | Lc 88.9 | Fine for body text |
| #1A573E text on black | 2.47:1 | Fails | Lc -13.3 | 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
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#A8CAB8
oklch(80.9% 0.044 162.2)
-
Step 400
400
#78AF94
oklch(70.8% 0.07 162.6)
-
Step 500
500
#529B79
oklch(63.2% 0.091 162.1)
-
Step 600
600
#328562
oklch(55.6% 0.098 162.4)
-
Step 700
700
#237151
oklch(49.2% 0.092 162.2)
-
Step 800
800 (this color)
#1A573E
oklch(41% 0.075 162.4)
-
Step 900
900
#204B38
oklch(37.6% 0.059 162.6)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#1A573E 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) | #56503D | 0.074 |
| Deuteranopia (no green cones) | #4D4A40 | 0.071 |
| Tritanopia (no blue cones) | #005750 | 0.030 |
| Achromatopsia (no color) | #4D4D4D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A573E
#1A573E
oklch(41% 0.075 162.4)
- #663956
#663956
oklch(41% 0.076 341.8)
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 #1A573E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.031
- Spruce #0A5F38 ΔE 0.031
- Pine #2B5D34 ΔE 0.032
- Dark Green Blue #1F6357 ΔE 0.049
- Deep Teal #00555A ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.049
- Dark Teal #014D4E ΔE 0.051
- Navy Green #35530A ΔE 0.056
Use #1A573E 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.