#277270
Closest named color: Dark Aquamarine (#017371). oklch(50.6% 0.072 192.6), rgb(39, 114, 112).
Aa
White text reads best on this color (5.63:1).
About this color
#277270 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.072 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.014 away. White text reads best on it, at 5.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #277270 |
| RGB | rgb(39, 114, 112) |
| HSL | hsl(178, 49%, 30%) |
| OKLCH | oklch(50.6% 0.072 192.6) |
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 #277270 | 5.63:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #277270 | 3.72:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #277270 text on white | 5.63:1 | AA | Lc 77.9 | Fine for body text |
| #277270 text on black | 3.72:1 | AA large text | Lc -23.9 | 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 700.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CBDDDC
oklch(88.4% 0.019 192.8)
-
Step 300
300
#A8C8C7
oklch(80.9% 0.034 194.2)
-
Step 400
400
#77ACAA
oklch(70.7% 0.056 193)
-
Step 500
500
#519795
oklch(63% 0.071 193.1)
-
Step 600
600
#30827F
oklch(55.7% 0.078 191.7)
-
Step 700
700 (this color)
#277270
oklch(50.6% 0.072 192.6)
-
Step 800
800
#1F5958
oklch(42.6% 0.059 193.6)
-
Step 900
900
#204948
oklch(37.6% 0.046 193.3)
-
Step 950
950
#142B2A
oklch(27% 0.029 191.9)
#277270 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) | #6B6C70 | 0.076 |
| Deuteranopia (no green cones) | #5F6471 | 0.071 |
| Tritanopia (no blue cones) | #007571 | 0.015 |
| Achromatopsia (no color) | #676767 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277270
#277270
oklch(50.6% 0.072 192.6)
- #895359
#895359
oklch(50.5% 0.072 12.8)
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 #277270, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.014
- Deep Turquoise #017374 ΔE 0.014
- Bluegreen #017A79 ΔE 0.025
- Deep Aqua #08787F ΔE 0.025
- Dark Aqua #05696B ΔE 0.034
- Teal #008080 ΔE 0.042
- Ocean #017B92 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.055
Use #277270 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.