#1B593D
Closest named color: Spruce (#0A5F38). oklch(41.6% 0.079 160.1), rgb(27, 89, 61).
Aa
White text reads best on this color (8.25:1).
About this color
#1B593D is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.024 away. White text reads best on it, at 8.25:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #1B593D |
| RGB | rgb(27, 89, 61) |
| HSL | hsl(153, 53%, 23%) |
| OKLCH | oklch(41.6% 0.079 160.1) |
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 #1B593D | 8.25:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #1B593D | 2.54:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #1B593D text on white | 8.25:1 | AAA | Lc 88.3 | Fine for body text |
| #1B593D text on black | 2.54:1 | Fails | Lc -13.9 | 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
#CBDFD3
oklch(88.5% 0.027 159.5)
-
Step 300
300
#A8CAB7
oklch(80.9% 0.045 160.7)
-
Step 400
400
#77AF91
oklch(70.7% 0.074 160.3)
-
Step 500
500
#519B76
oklch(63.1% 0.094 160.2)
-
Step 600
600
#30855E
oklch(55.5% 0.102 160.2)
-
Step 700
700
#22714E
oklch(49.1% 0.095 160.2)
-
Step 800
800 (this color)
#1B593D
oklch(41.6% 0.079 160.1)
-
Step 900
900
#204C36
oklch(37.8% 0.062 159.5)
-
Step 950
950
#142C20
oklch(26.9% 0.038 160.6)
#1B593D 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) | #58523B | 0.075 |
| Deuteranopia (no green cones) | #504C3F | 0.073 |
| Tritanopia (no blue cones) | #005951 | 0.032 |
| Achromatopsia (no color) | #4E4E4E | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B593D
#1B593D
oklch(41.6% 0.079 160.1)
- #683A59
#683A59
oklch(41.6% 0.078 340.4)
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 #1B593D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.024
- Pine #2B5D34 ΔE 0.025
- Dark Blue Green #005249 ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.046
- Navy Green #35530A ΔE 0.053
- Deep Teal #00555A ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Teal #014D4E ΔE 0.058
Use #1B593D 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.