#1B5341
Closest named color: Dark Blue Green (#005249). oklch(40% 0.066 168.4), rgb(27, 83, 65).
Aa
White text reads best on this color (8.89:1).
About this color
#1B5341 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.066 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.018 away. White text reads best on it, at 8.89:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #1B5341 |
| RGB | rgb(27, 83, 65) |
| HSL | hsl(161, 51%, 22%) |
| OKLCH | oklch(40% 0.066 168.4) |
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 #1B5341 | 8.89:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #1B5341 | 2.36:1 | Fails | Lc 13.8 | Not readable |
| #1B5341 text on white | 8.89:1 | AAA | Lc 90.2 | Preferred for body text |
| #1B5341 text on black | 2.36:1 | Fails | Lc -12.1 | 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 900.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A2CBBB
oklch(80.8% 0.049 169.3)
-
Step 400
400
#6DB197
oklch(70.7% 0.08 167.8)
-
Step 500
500
#3E9D7E
oklch(63.1% 0.102 168.4)
-
Step 600
600
#098767
oklch(55.5% 0.11 168.4)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#035D46
oklch(42.6% 0.085 168.5)
-
Step 900
900 (this color)
#1B5341
oklch(40% 0.066 168.4)
-
Step 950
950
#0E2D23
oklch(27% 0.042 169.1)
#1B5341 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) | #514D40 | 0.067 |
| Deuteranopia (no green cones) | #494742 | 0.065 |
| Tritanopia (no blue cones) | #00534E | 0.023 |
| Achromatopsia (no color) | #4A4A4A | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B5341
#1B5341
oklch(40% 0.066 168.4)
- #62384E
#62384E
oklch(40% 0.067 347.9)
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 #1B5341, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.018
- Dark Teal #014D4E ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.037
- Deep Teal #00555A ΔE 0.040
- Pine #2B5D34 ΔE 0.046
- Spruce #0A5F38 ΔE 0.047
- Evergreen #05472A ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.056
Use #1B5341 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.