#1B6644
Closest named color: Spruce (#0A5F38). oklch(45.6% 0.092 159.3), rgb(27, 102, 68).
Aa
White text reads best on this color (6.92:1).
About this color
#1B6644 is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.092 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.028 away. White text reads best on it, at 6.92:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #1B6644 |
| RGB | rgb(27, 102, 68) |
| HSL | hsl(153, 58%, 25%) |
| OKLCH | oklch(45.6% 0.092 159.3) |
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 #1B6644 | 6.92:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #1B6644 | 3.03:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #1B6644 text on white | 6.92:1 | AA | Lc 83.6 | Fine for body text |
| #1B6644 text on black | 3.03:1 | AA large text | Lc -18.3 | Dividers and decoration only |
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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A4CCB4
oklch(81% 0.054 158.6)
-
Step 400
400
#70B18D
oklch(70.6% 0.086 159)
-
Step 500
500
#449D71
oklch(63% 0.109 159.3)
-
Step 600
600
#1B885A
oklch(55.6% 0.119 159.4)
-
Step 700
700
#067349
oklch(49.1% 0.111 159.1)
-
Step 800
800 (this color)
#1B6644
oklch(45.6% 0.092 159.3)
-
Step 900
900
#174D34
oklch(37.7% 0.071 159.7)
-
Step 950
950
#102D1E
oklch(27% 0.045 158.6)
#1B6644 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) | #655E42 | 0.086 |
| Deuteranopia (no green cones) | #5B5746 | 0.083 |
| Tritanopia (no blue cones) | #00655D | 0.040 |
| Achromatopsia (no color) | #5A5A5A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6644
#1B6644
oklch(45.6% 0.092 159.3)
- #784167
#784167
oklch(45.6% 0.092 339.8)
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 #1B6644, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.028
- Pine #2B5D34 ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Aqua #05696B ΔE 0.059
- Army Green #4B5D16 ΔE 0.060
- Camo Green #526525 ΔE 0.060
- Camouflage Green #4B6113 ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.065
Use #1B6644 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.