#287C7A
Closest named color: Teal (#008080). oklch(53.7% 0.079 192.8), rgb(40, 124, 122).
Aa
White text reads best on this color (4.93:1).
About this color
#287C7A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.079 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.016 away. White text reads best on it, at 4.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #287C7A |
| RGB | rgb(40, 124, 122) |
| HSL | hsl(179, 51%, 32%) |
| OKLCH | oklch(53.7% 0.079 192.8) |
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 #287C7A | 4.93:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #287C7A | 4.25:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #287C7A text on white | 4.93:1 | AA | Lc 73.9 | Content text, not long reading |
| #287C7A text on black | 4.25:1 | AA large text | Lc -27.8 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDC
oklch(88.4% 0.019 192.8)
-
Step 300
300
#A7C8C7
oklch(80.8% 0.035 194.2)
-
Step 400
400
#76ACAA
oklch(70.6% 0.057 193)
-
Step 500
500
#509895
oklch(63.2% 0.073 191.9)
-
Step 600
600 (this color)
#287C7A
oklch(53.7% 0.079 192.8)
-
Step 700
700
#206E6C
oklch(49.2% 0.073 192.5)
-
Step 800
800
#1E5958
oklch(42.6% 0.06 193.6)
-
Step 900
900
#1F4A48
oklch(37.8% 0.048 191.2)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#287C7A 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) | #74767A | 0.082 |
| Deuteranopia (no green cones) | #676C7B | 0.077 |
| Tritanopia (no blue cones) | #00807B | 0.016 |
| Achromatopsia (no color) | #707070 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287C7A
#287C7A
oklch(53.7% 0.079 192.8)
- #965A61
#965A61
oklch(53.7% 0.079 12.5)
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 #287C7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.016
- Bluegreen #017A79 ΔE 0.016
- Deep Aqua #08787F ΔE 0.022
- Deep Turquoise #017374 ΔE 0.034
- Dark Aquamarine #017371 ΔE 0.035
- Ocean #017B92 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.045
- Sea Blue #047495 ΔE 0.057
Use #287C7A 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.