#274B3F
Closest named color: Dark Blue Green (#005249). oklch(38.2% 0.047 170.2), rgb(39, 75, 63).
Aa
White text reads best on this color (9.70:1).
About this color
#274B3F is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.047 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.029 away. White text reads best on it, at 9.70:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #274B3F |
| RGB | rgb(39, 75, 63) |
| HSL | hsl(160, 32%, 22%) |
| OKLCH | oklch(38.2% 0.047 170.2) |
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 #274B3F | 9.70:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #274B3F | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #274B3F text on white | 9.70:1 | AAA | Lc 92.4 | Preferred for body text |
| #274B3F text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#ABC8BD
oklch(80.8% 0.035 170.5)
-
Step 400
400
#7DAC9B
oklch(70.6% 0.056 170.3)
-
Step 500
500
#5A9883
oklch(63.1% 0.072 170.2)
-
Step 600
600
#3E826C
oklch(55.6% 0.078 169.9)
-
Step 700
700
#2F6E5A
oklch(49.1% 0.073 169.7)
-
Step 800
800
#285A4A
oklch(42.8% 0.061 170)
-
Step 900
900 (this color)
#274B3F
oklch(38.2% 0.047 170.2)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#274B3F 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) | #49473E | 0.048 |
| Deuteranopia (no green cones) | #434340 | 0.045 |
| Tritanopia (no blue cones) | #1B4B47 | 0.016 |
| Achromatopsia (no color) | #444444 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274B3F
#274B3F
oklch(38.2% 0.047 170.2)
- #563846
#563846
oklch(38.1% 0.047 350.1)
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 #274B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.030
- Dark Teal #014D4E ΔE 0.030
- Charcoal #264653 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.043
- Evergreen #05472A ΔE 0.046
- Deep Teal #00555A ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.057
Use #274B3F 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.