#223F33
Closest named color: Evergreen (#05472A). oklch(34.1% 0.041 165.7), rgb(34, 63, 51).
Aa
White text reads best on this color (11.49:1).
About this color
#223F33 is a dark, muted green. In OKLCH its lightness is 34%, its chroma 0.041 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.041 away. White text reads best on it, at 11.49:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.82:1 |
| White text | 11.49:1 |
Values
| HEX | #223F33 |
| RGB | rgb(34, 63, 51) |
| HSL | hsl(155, 30%, 19%) |
| OKLCH | oklch(34.1% 0.041 165.7) |
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 #223F33 | 11.49:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #223F33 | 1.82:1 | Fails | Lc 7.5 | Not readable |
| #223F33 text on white | 11.49:1 | AAA | Lc 96.4 | Preferred for body text |
| #223F33 text on black | 1.82:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AFC7BC
oklch(80.8% 0.03 166.3)
-
Step 400
400
#84AB99
oklch(70.7% 0.05 165.1)
-
Step 500
500
#649680
oklch(63.1% 0.063 165.1)
-
Step 600
600
#49806A
oklch(55.5% 0.068 166.3)
-
Step 700
700
#3A6C58
oklch(49% 0.064 166)
-
Step 800
800
#315848
oklch(42.6% 0.052 165.8)
-
Step 900
900 (this color)
#223F33
oklch(34.1% 0.041 165.7)
-
Step 950
950
#1A2B23
oklch(27.1% 0.027 163.6)
#223F33 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) | #3E3B32 | 0.042 |
| Deuteranopia (no green cones) | #393834 | 0.040 |
| Tritanopia (no blue cones) | #1A3F3C | 0.017 |
| Achromatopsia (no color) | #393939 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223F33
#223F33
oklch(34.1% 0.041 165.7)
- #482F3D
#482F3D
oklch(34% 0.043 344.9)
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 #223F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.041
- Onyx #343A40 ΔE 0.042
- Pakistan Green #283618 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
- Dark Teal #014D4E ΔE 0.054
- Charcoal #264653 ΔE 0.055
Use #223F33 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.