#33503F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.3% 0.045 157.9), rgb(51, 80, 63).
Aa
White text reads best on this color (8.89:1).
About this color
#33503F is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.045 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.028 away. White text reads best on it, at 8.89:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #33503F |
| RGB | rgb(51, 80, 63) |
| HSL | hsl(145, 22%, 26%) |
| OKLCH | oklch(40.3% 0.045 157.9) |
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 #33503F | 8.89:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #33503F | 2.36:1 | Fails | Lc 13.6 | Not readable |
| #33503F text on white | 8.89:1 | AAA | Lc 90.3 | Preferred for body text |
| #33503F text on black | 2.36:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B3C6BA
oklch(80.9% 0.027 158.1)
-
Step 400
400
#8BA997
oklch(70.7% 0.042 158.8)
-
Step 500
500
#6E947D
oklch(63.1% 0.054 157.8)
-
Step 600
600
#567E66
oklch(55.6% 0.058 157.5)
-
Step 700
700
#466A55
oklch(49% 0.053 158.1)
-
Step 800
800 (this color)
#33503F
oklch(40.3% 0.045 157.9)
-
Step 900
900
#32473A
oklch(37.6% 0.034 157.1)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#33503F 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) | #504C3E | 0.043 |
| Deuteranopia (no green cones) | #4B4840 | 0.042 |
| Tritanopia (no blue cones) | #2D504B | 0.020 |
| Achromatopsia (no color) | #4A4A4A | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33503F
#33503F
oklch(40.3% 0.045 157.9)
- #593F51
#593F51
oklch(40.3% 0.046 338.2)
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 #33503F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Blue Green #005249 ΔE 0.036
- Dark Teal #014D4E ΔE 0.046
- Deep Teal #00555A ΔE 0.049
- Pine #2B5D34 ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.052
- Charcoal #264653 ΔE 0.057
- Spruce #0A5F38 ΔE 0.060
Use #33503F 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.