#1D5440
Closest named color: Dark Blue Green (#005249). oklch(40.3% 0.067 165.9), rgb(29, 84, 64).
Aa
White text reads best on this color (8.77:1).
About this color
#1D5440 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.067 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.022 away. White text reads best on it, at 8.77:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.39:1 |
| White text | 8.77:1 |
Values
| HEX | #1D5440 |
| RGB | rgb(29, 84, 64) |
| HSL | hsl(158, 49%, 22%) |
| OKLCH | oklch(40.3% 0.067 165.9) |
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 #1D5440 | 8.77:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #1D5440 | 2.39:1 | Fails | Lc 14.2 | Not readable |
| #1D5440 text on white | 8.77:1 | AAA | Lc 89.8 | Fine for body text |
| #1D5440 text on black | 2.39:1 | Fails | Lc -12.4 | 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
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7BAE97
oklch(70.8% 0.064 165)
-
Step 500
500
#56997E
oklch(63% 0.081 166)
-
Step 600
600
#388467
oklch(55.7% 0.089 165.5)
-
Step 700
700
#2A6F56
oklch(49% 0.081 166.1)
-
Step 800
800 (this color)
#1D5440
oklch(40.3% 0.067 165.9)
-
Step 900
900
#234A3B
oklch(37.5% 0.052 166.5)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#1D5440 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) | #524E3F | 0.067 |
| Deuteranopia (no green cones) | #4A4841 | 0.065 |
| Tritanopia (no blue cones) | #00544E | 0.025 |
| Achromatopsia (no color) | #4B4B4B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5440
#1D5440
oklch(40.3% 0.067 165.9)
- #633950
#633950
oklch(40.4% 0.068 346.6)
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 #1D5440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Teal #014D4E ΔE 0.041
- Pine #2B5D34 ΔE 0.042
- Deep Teal #00555A ΔE 0.043
- Spruce #0A5F38 ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.053
- Evergreen #05472A ΔE 0.054
Use #1D5440 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.