#1F533B
Closest named color: Dark Blue Green (#005249). oklch(40% 0.069 160.7), rgb(31, 83, 59).
Aa
White text reads best on this color (8.90:1).
About this color
#1F533B is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 8.90:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #1F533B |
| RGB | rgb(31, 83, 59) |
| HSL | hsl(152, 46%, 22%) |
| OKLCH | oklch(40% 0.069 160.7) |
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 #1F533B | 8.90:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #1F533B | 2.35:1 | Fails | Lc 13.8 | Not readable |
| #1F533B text on white | 8.90:1 | AAA | Lc 90.2 | Preferred for body text |
| #1F533B text on black | 2.35:1 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9DFD3
oklch(88.4% 0.029 162)
-
Step 300
300
#A4CCB6
oklch(81% 0.052 160.9)
-
Step 400
400
#70B18F
oklch(70.7% 0.084 160.4)
-
Step 500
500
#459D74
oklch(63.1% 0.106 160.8)
-
Step 600
600
#1C885C
oklch(55.7% 0.116 160.4)
-
Step 700
700
#08734C
oklch(49.2% 0.108 160.7)
-
Step 800
800
#105E3E
oklch(42.8% 0.09 160.2)
-
Step 900
900 (this color)
#1F533B
oklch(40% 0.069 160.7)
-
Step 950
950
#102D1F
oklch(27% 0.044 160.3)
#1F533B 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) | #524D3A | 0.066 |
| Deuteranopia (no green cones) | #4B483D | 0.064 |
| Tritanopia (no blue cones) | #09534C | 0.029 |
| Achromatopsia (no color) | #4A4A4A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F533B
#1F533B
oklch(40% 0.069 160.7)
- #613853
#613853
oklch(40% 0.07 340.9)
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 #1F533B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Pine #2B5D34 ΔE 0.040
- Spruce #0A5F38 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Teal #014D4E ΔE 0.045
- Evergreen #05472A ΔE 0.049
- Deep Teal #00555A ΔE 0.050
- Pine Green #0A481E ΔE 0.054
Use #1F533B 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.