#275F4E
Closest named color: Dark Green Blue (#1F6357). oklch(44.3% 0.066 170.6), rgb(39, 95, 78).
Aa
White text reads best on this color (7.41:1).
About this color
#275F4E is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.066 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.016 away. White text reads best on it, at 7.41:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.83:1 |
| White text | 7.41:1 |
Values
| HEX | #275F4E |
| RGB | rgb(39, 95, 78) |
| HSL | hsl(162, 42%, 26%) |
| OKLCH | oklch(44.3% 0.066 170.6) |
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 #275F4E | 7.41:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #275F4E | 2.83:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #275F4E text on white | 7.41:1 | AAA | Lc 85.6 | Fine for body text |
| #275F4E text on black | 2.83:1 | Fails | Lc -16.5 | Dividers and decoration only |
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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A9C9BD
oklch(80.9% 0.038 170.6)
-
Step 400
400
#79AD9B
oklch(70.6% 0.061 171)
-
Step 500
500
#549983
oklch(63.1% 0.078 171)
-
Step 600
600
#35836C
oklch(55.5% 0.085 170.8)
-
Step 700
700
#276F5A
oklch(49.1% 0.079 170.4)
-
Step 800
800 (this color)
#275F4E
oklch(44.3% 0.066 170.6)
-
Step 900
900
#224A3E
oklch(37.6% 0.05 171.7)
-
Step 950
950
#152C24
oklch(27.1% 0.033 169.4)
#275F4E 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) | #5C594D | 0.067 |
| Deuteranopia (no green cones) | #54534F | 0.064 |
| Tritanopia (no blue cones) | #0A605A | 0.022 |
| Achromatopsia (no color) | #555555 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #275F4E
#275F4E
oklch(44.3% 0.066 170.6)
- #6F4458
#6F4458
oklch(44.3% 0.065 350.7)
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 #275F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.016
- Pine #2B5D34 ΔE 0.037
- Spruce #0A5F38 ΔE 0.041
- Dark Aqua #05696B ΔE 0.047
- Petrol #005F6A ΔE 0.047
- Deep Teal #00555A ΔE 0.050
- Dark Blue Green #005249 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #275F4E 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.