#1F533D
Closest named color: Dark Blue Green (#005249). oklch(40% 0.067 162.8), rgb(31, 83, 61).
Aa
White text reads best on this color (8.88:1).
About this color
#1F533D is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.067 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.024 away. White text reads best on it, at 8.88:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #1F533D |
| RGB | rgb(31, 83, 61) |
| HSL | hsl(155, 46%, 22%) |
| OKLCH | oklch(40% 0.067 162.8) |
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 #1F533D | 8.88:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #1F533D | 2.36:1 | Fails | Lc 13.8 | Not readable |
| #1F533D text on white | 8.88:1 | AAA | Lc 90.2 | Preferred for body text |
| #1F533D 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A4CBB7
oklch(80.8% 0.05 162.8)
-
Step 400
400
#70B192
oklch(70.8% 0.081 162.7)
-
Step 500
500
#459D77
oklch(63.1% 0.103 162.7)
-
Step 600
600
#1B8760
oklch(55.5% 0.112 163.1)
-
Step 700
700
#07734F
oklch(49.2% 0.105 162.6)
-
Step 800
800
#0F5D41
oklch(42.6% 0.086 163.2)
-
Step 900
900 (this color)
#1F533D
oklch(40% 0.067 162.8)
-
Step 950
950
#102D20
oklch(27% 0.043 162.1)
#1F533D 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) | #524D3C | 0.066 |
| Deuteranopia (no green cones) | #4A483E | 0.062 |
| Tritanopia (no blue cones) | #07534D | 0.027 |
| Achromatopsia (no color) | #4A4A4A | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F533D
#1F533D
oklch(40% 0.067 162.8)
- #613851
#613851
oklch(39.9% 0.068 343.3)
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 #1F533D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.041
- Pine #2B5D34 ΔE 0.042
- Dark Teal #014D4E ΔE 0.043
- Spruce #0A5F38 ΔE 0.044
- Deep Teal #00555A ΔE 0.047
- Evergreen #05472A ΔE 0.051
- Pine Green #0A481E ΔE 0.056
Use #1F533D 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.