#274D40
Closest named color: Dark Blue Green (#005249). oklch(38.8% 0.049 169.4), rgb(39, 77, 64).
Aa
White text reads best on this color (9.45:1).
About this color
#274D40 is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.026 away. White text reads best on it, at 9.45:1.
| 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 | 9.45:1 |
Values
| HEX | #274D40 |
| RGB | rgb(39, 77, 64) |
| HSL | hsl(159, 33%, 23%) |
| OKLCH | oklch(38.8% 0.049 169.4) |
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 #274D40 | 9.45:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #274D40 | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #274D40 text on white | 9.45:1 | AAA | Lc 91.7 | Preferred for body text |
| #274D40 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
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#AAC9BD
oklch(81% 0.037 170)
-
Step 400
400
#7CAD9A
oklch(70.7% 0.059 168.6)
-
Step 500
500
#589882
oklch(63% 0.075 169.8)
-
Step 600
600
#3A836B
oklch(55.6% 0.083 169)
-
Step 700
700
#2C6F59
oklch(49.2% 0.077 168.6)
-
Step 800
800
#265A49
oklch(42.7% 0.063 169.2)
-
Step 900
900 (this color)
#274D40
oklch(38.8% 0.049 169.4)
-
Step 950
950
#162B24
oklch(26.9% 0.03 170.6)
#274D40 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) | #4B493F | 0.050 |
| Deuteranopia (no green cones) | #454441 | 0.049 |
| Tritanopia (no blue cones) | #1A4D49 | 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°).
- #274D40
#274D40
oklch(38.8% 0.049 169.4)
- #593948
#593948
oklch(38.7% 0.05 350.1)
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 #274D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Teal #014D4E ΔE 0.031
- Deep Teal #00555A ΔE 0.044
- Charcoal #264653 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.047
- Evergreen #05472A ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.059
Use #274D40 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.