#288994
Closest named color: Teal Blue (#01889F). oklch(58% 0.088 206.1), rgb(40, 137, 148).
Aa
Black text reads best on this color (5.09:1).
About this color
#288994 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.088 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.021 away. Black text reads best on it, at 5.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #288994 |
| RGB | rgb(40, 137, 148) |
| HSL | hsl(186, 57%, 37%) |
| OKLCH | oklch(58% 0.088 206.1) |
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 #288994 | 4.12:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #288994 | 5.09:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #288994 text on white | 4.12:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #288994 text on black | 5.09:1 | AA | Lc -33.7 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A4C8CD
oklch(80.8% 0.039 206.8)
-
Step 400
400
#70ACB4
oklch(70.6% 0.063 206.5)
-
Step 500
500
#4597A2
oklch(63% 0.081 207.1)
-
Step 600
600 (this color)
#288994
oklch(58% 0.088 206.1)
-
Step 700
700
#0A6E77
oklch(49.2% 0.082 205)
-
Step 800
800
#115961
oklch(42.6% 0.067 206.3)
-
Step 900
900
#18494F
oklch(37.5% 0.052 206.5)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#288994 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) | #7D8395 | 0.086 |
| Deuteranopia (no green cones) | #6E7894 | 0.079 |
| Tritanopia (no blue cones) | #008F8C | 0.027 |
| Achromatopsia (no color) | #7D7D7D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288994
#288994
oklch(58% 0.088 206.1)
- #A8655F
#A8655F
oklch(57.9% 0.088 25.6)
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 #288994, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.021
- Dark Cyan #008B8B ΔE 0.022
- Teal Green #0A9396 ΔE 0.029
- Teal #008080 ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.044
- Blue NCS #118AB2 ΔE 0.046
- Ocean #017B92 ΔE 0.047
- Cerulean #457B9D ΔE 0.051
Use #288994 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.