#286F81
Closest named color: Deep Aqua (#08787F). oklch(50.5% 0.075 217.8), rgb(40, 111, 129).
Aa
White text reads best on this color (5.70:1).
About this color
#286F81 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.075 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.030 away. White text reads best on it, at 5.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #286F81 |
| RGB | rgb(40, 111, 129) |
| HSL | hsl(192, 53%, 33%) |
| OKLCH | oklch(50.5% 0.075 217.8) |
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 #286F81 | 5.70:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #286F81 | 3.68:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #286F81 text on white | 5.70:1 | AA | Lc 78.3 | Fine for body text |
| #286F81 text on black | 3.68:1 | AA large text | Lc -23.5 | 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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#77AAB9
oklch(70.7% 0.058 218.1)
-
Step 500
500
#5195A7
oklch(63.2% 0.074 217)
-
Step 600
600
#317F92
oklch(55.7% 0.08 216.8)
-
Step 700
700 (this color)
#286F81
oklch(50.5% 0.075 217.8)
-
Step 800
800
#1F5765
oklch(42.6% 0.062 217.3)
-
Step 900
900
#204853
oklch(37.8% 0.049 218.2)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#286F81 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) | #636C82 | 0.064 |
| Deuteranopia (no green cones) | #576281 | 0.059 |
| Tritanopia (no blue cones) | #007575 | 0.035 |
| Achromatopsia (no color) | #666666 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286F81
#286F81
oklch(50.5% 0.075 217.8)
- #8A5545
#8A5545
oklch(50.5% 0.075 37.6)
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 #286F81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.030
- Sea Blue #047495 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.032
- Dark Aquamarine #017371 ΔE 0.037
- Ocean #017B92 ΔE 0.038
- Bluegreen #017A79 ΔE 0.042
- Dark Aqua #05696B ΔE 0.043
- Ocean Blue #03719C ΔE 0.043
Use #286F81 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.