#287F73
Closest named color: Teal (#008080). oklch(54.2% 0.083 182.2), rgb(40, 127, 115).
Aa
White text reads best on this color (4.80:1).
About this color
#287F73 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.083 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.021 away. White text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #287F73 |
| RGB | rgb(40, 127, 115) |
| HSL | hsl(172, 52%, 33%) |
| OKLCH | oklch(54.2% 0.083 182.2) |
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 #287F73 | 4.80:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #287F73 | 4.37:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #287F73 text on white | 4.80:1 | AA | Lc 73.0 | Content text, not long reading |
| #287F73 text on black | 4.37:1 | AA large text | Lc -28.7 | 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 600.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A7C9C2
oklch(80.9% 0.038 181.5)
-
Step 400
400
#76ADA3
oklch(70.6% 0.06 181.9)
-
Step 500
500
#4F998D
oklch(63.2% 0.077 182)
-
Step 600
600 (this color)
#287F73
oklch(54.2% 0.083 182.2)
-
Step 700
700
#1E6F64
oklch(49.1% 0.078 182)
-
Step 800
800
#1C5A52
oklch(42.6% 0.064 183.2)
-
Step 900
900
#1E4A44
oklch(37.6% 0.05 183.5)
-
Step 950
950
#132C28
oklch(27.2% 0.032 182.2)
#287F73 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) | #797873 | 0.088 |
| Deuteranopia (no green cones) | #6C6E74 | 0.084 |
| Tritanopia (no blue cones) | #00817B | 0.015 |
| Achromatopsia (no color) | #727272 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287F73
#287F73
oklch(54.2% 0.083 182.2)
- #975A6B
#975A6B
oklch(54.1% 0.083 2.2)
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 #287F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.021
- Bluegreen #017A79 ΔE 0.026
- Deep Aqua #08787F ΔE 0.036
- Dark Cyan #008B8B ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.044
- Ocean #017B92 ΔE 0.055
- Viridian #1E9167 ΔE 0.064
Use #287F73 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.