#213F01
Closest named color: Forrest Green (#154406). oklch(33.1% 0.093 133.2), rgb(33, 63, 1).
Aa
White text reads best on this color (11.82:1).
About this color
#213F01 is a dark, moderately saturated green. In OKLCH its lightness is 33%, its chroma 0.093 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forrest Green (#154406), ΔE 0.018 away. White text reads best on it, at 11.82:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.77:1 |
| White text | 11.82:1 |
Values
| HEX | #213F01 |
| RGB | rgb(33, 63, 1) |
| HSL | hsl(89, 97%, 13%) |
| OKLCH | oklch(33.1% 0.093 133.2) |
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 #213F01 | 11.82:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #213F01 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #213F01 text on white | 11.82:1 | AAA | Lc 96.9 | Preferred for body text |
| #213F01 text on black | 1.77:1 | Fails | Lc 0.0 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#CFDFC5
oklch(88.5% 0.039 133.2)
-
Step 300
300
#AFCB9D
oklch(80.9% 0.07 133.3)
-
Step 400
400
#85B066
oklch(70.8% 0.112 133.2)
-
Step 500
500
#669B39
oklch(63.1% 0.141 133.1)
-
Step 600
600
#4C8508
oklch(55.6% 0.154 133.2)
-
Step 700
700
#3E7000
oklch(49% 0.139 133.3)
-
Step 800
800
#335C03
oklch(42.8% 0.119 133.1)
-
Step 900
900 (this color)
#213F01
oklch(33.1% 0.093 133.2)
-
Step 950
950
#1A2C0C
oklch(26.9% 0.058 133.6)
#213F01 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) | #423900 | 0.053 |
| Deuteranopia (no green cones) | #3E3707 | 0.052 |
| Tritanopia (no blue cones) | #213C34 | 0.069 |
| Achromatopsia (no color) | #373737 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213F01
#213F01
oklch(33.1% 0.093 133.2)
- #462557
#462557
oklch(33.2% 0.092 312.9)
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 #213F01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forrest Green #154406 ΔE 0.018
- Hunter Green #0B4008 ΔE 0.018
- Racing Green #014600 ΔE 0.030
- British Racing Green #05480D ΔE 0.031
- Dark Olive #373E02 ΔE 0.032
- Pine Green #0A481E ΔE 0.034
- Darkgreen #054907 ΔE 0.035
- Bottle Green #044A05 ΔE 0.038
Use #213F01 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.