#288185
Closest named color: Teal (#008080). oklch(55.4% 0.082 199.4), rgb(40, 129, 133).
Aa
White text reads best on this color (4.59:1).
About this color
#288185 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.082 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.017 away. White text reads best on it, at 4.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #288185 |
| RGB | rgb(40, 129, 133) |
| HSL | hsl(183, 54%, 34%) |
| OKLCH | oklch(55.4% 0.082 199.4) |
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 #288185 | 4.59:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #288185 | 4.56:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #288185 text on white | 4.59:1 | AA | Lc 71.6 | Content text, not long reading |
| #288185 text on black | 4.56:1 | AA | Lc -30.1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADDDE
oklch(88.4% 0.02 200.6)
-
Step 300
300
#A6C8CA
oklch(80.9% 0.036 200.9)
-
Step 400
400
#74ACAF
oklch(70.7% 0.059 200.2)
-
Step 500
500
#4C979B
oklch(63% 0.075 200)
-
Step 600
600 (this color)
#288185
oklch(55.4% 0.082 199.4)
-
Step 700
700
#196E71
oklch(49.2% 0.076 198.6)
-
Step 800
800
#19595C
oklch(42.6% 0.063 199.6)
-
Step 900
900
#1D494C
oklch(37.6% 0.048 201.4)
-
Step 950
950
#122B2C
oklch(27% 0.031 198.9)
#288185 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) | #787B85 | 0.084 |
| Deuteranopia (no green cones) | #6A7185 | 0.077 |
| Tritanopia (no blue cones) | #008682 | 0.020 |
| Achromatopsia (no color) | #757575 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288185
#288185
oklch(55.4% 0.082 199.4)
- #9D5F5F
#9D5F5F
oklch(55.5% 0.081 20)
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 #288185, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.017
- Dark Cyan #008B8B ΔE 0.029
- Bluegreen #017A79 ΔE 0.032
- Deep Aqua #08787F ΔE 0.032
- Ocean #017B92 ΔE 0.035
- Teal Blue #01889F ΔE 0.040
- Deep Turquoise #017374 ΔE 0.051
- Teal Green #0A9396 ΔE 0.052
Use #288185 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.