#21704D
Closest named color: Dark Green Blue (#1F6357). oklch(48.8% 0.095 160.2), rgb(33, 112, 77).
Aa
White text reads best on this color (6.01:1).
About this color
#21704D is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.095 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.050 away. White text reads best on it, at 6.01:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.48:1 |
| White text | 6.01:1 |
Values
| HEX | #21704D |
| RGB | rgb(33, 112, 77) |
| HSL | hsl(153, 54%, 28%) |
| OKLCH | oklch(48.8% 0.095 160.2) |
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 #21704D | 6.01:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #21704D | 3.48:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #21704D text on white | 6.01:1 | AA | Lc 79.8 | Fine for body text |
| #21704D text on black | 3.48:1 | AA large text | Lc -22.1 | 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 700.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDFD3
oklch(88.5% 0.027 159.5)
-
Step 300
300
#A8CAB7
oklch(80.9% 0.045 160.7)
-
Step 400
400
#77AF91
oklch(70.7% 0.074 160.3)
-
Step 500
500
#519B76
oklch(63.1% 0.094 160.2)
-
Step 600
600
#31855E
oklch(55.5% 0.102 160)
-
Step 700
700 (this color)
#21704D
oklch(48.8% 0.095 160.2)
-
Step 800
800
#1F5C40
oklch(42.7% 0.079 160.2)
-
Step 900
900
#204C36
oklch(37.8% 0.062 159.5)
-
Step 950
950
#142C20
oklch(26.9% 0.038 160.6)
#21704D 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) | #6F674B | 0.091 |
| Deuteranopia (no green cones) | #64604F | 0.087 |
| Tritanopia (no blue cones) | #007067 | 0.040 |
| Achromatopsia (no color) | #636363 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21704D
#21704D
oklch(48.8% 0.095 160.2)
- #834971
#834971
oklch(48.8% 0.095 339.8)
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 #21704D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.055
- Deep Turquoise #017374 ΔE 0.058
- Dark Aqua #05696B ΔE 0.059
- Camo Green #526525 ΔE 0.060
- Spruce #0A5F38 ΔE 0.060
- Pine #2B5D34 ΔE 0.060
Use #21704D 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.