#288474
Closest named color: Teal (#008080). oklch(55.6% 0.088 178.9), rgb(40, 132, 116).
Aa
Black text reads best on this color (4.64:1).
About this color
#288474 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.088 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.028 away. Black text reads best on it, at 4.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #288474 |
| RGB | rgb(40, 132, 116) |
| HSL | hsl(170, 53%, 34%) |
| OKLCH | oklch(55.6% 0.088 178.9) |
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 #288474 | 4.52:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #288474 | 4.64:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #288474 text on white | 4.52:1 | AA | Lc 71.1 | Content text, not long reading |
| #288474 text on black | 4.64:1 | AA | Lc -30.6 | Non-text elements, placeholder text |
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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300
#A6C9C1
oklch(80.8% 0.039 179.9)
-
Step 400
400
#74AEA1
oklch(70.7% 0.064 178.7)
-
Step 500
500
#4B9A8A
oklch(63.1% 0.082 178.5)
-
Step 600
600 (this color)
#288474
oklch(55.6% 0.088 178.9)
-
Step 700
700
#197061
oklch(49.2% 0.083 178.2)
-
Step 800
800
#195B50
oklch(42.7% 0.068 179.5)
-
Step 900
900
#1C4B42
oklch(37.7% 0.054 178.7)
-
Step 950
950
#122C27
oklch(27.1% 0.034 179.6)
#288474 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) | #7E7C73 | 0.093 |
| Deuteranopia (no green cones) | #717275 | 0.089 |
| Tritanopia (no blue cones) | #00867F | 0.018 |
| Achromatopsia (no color) | #767676 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288474
#288474
oklch(55.6% 0.088 178.9)
- #9D5C72
#9D5C72
oklch(55.5% 0.089 358.7)
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 #288474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.028
- Dark Cyan #008B8B ΔE 0.035
- Bluegreen #017A79 ΔE 0.039
- Deep Aqua #08787F ΔE 0.049
- Viridian #1E9167 ΔE 0.050
- Dusty Teal #4C9085 ΔE 0.053
- Sea Green #2E8B57 ΔE 0.054
- Dark Sage #598556 ΔE 0.056
Use #288474 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.