#284D3F
Closest named color: Dark Blue Green (#005249). oklch(38.8% 0.049 167.3), rgb(40, 77, 63).
Aa
White text reads best on this color (9.44:1).
About this color
#284D3F is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 167°. 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 9.44:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #284D3F |
| RGB | rgb(40, 77, 63) |
| HSL | hsl(157, 32%, 23%) |
| OKLCH | oklch(38.8% 0.049 167.3) |
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 #284D3F | 9.44:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #284D3F | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #284D3F text on white | 9.44:1 | AAA | Lc 91.7 | Preferred for body text |
| #284D3F text on black | 2.22:1 | Fails | Lc -10.6 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ABC9BC
oklch(81% 0.037 167.4)
-
Step 400
400
#7DAD99
oklch(70.8% 0.059 167)
-
Step 500
500
#599880
oklch(63% 0.075 167.6)
-
Step 600
600
#3C8369
oklch(55.6% 0.083 166.9)
-
Step 700
700
#2E6F58
oklch(49.2% 0.077 167.2)
-
Step 800
800
#275A48
oklch(42.7% 0.063 167.7)
-
Step 900
900 (this color)
#284D3F
oklch(38.8% 0.049 167.3)
-
Step 950
950
#162B23
oklch(26.8% 0.031 167.7)
#284D3F 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) | #4B493E | 0.049 |
| Deuteranopia (no green cones) | #454440 | 0.048 |
| Tritanopia (no blue cones) | #1D4D49 | 0.018 |
| Achromatopsia (no color) | #464646 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284D3F
#284D3F
oklch(38.8% 0.049 167.3)
- #583A49
#583A49
oklch(38.8% 0.048 348.2)
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 #284D3F, 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
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Teal #014D4E ΔE 0.033
- Deep Teal #00555A ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.048
- Charcoal #264653 ΔE 0.048
- Evergreen #05472A ΔE 0.048
- Pine Green #0A481E ΔE 0.059
Use #284D3F 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.