#287084
Closest named color: Sea Blue (#047495). oklch(50.9% 0.077 219.7), rgb(40, 112, 132).
Aa
White text reads best on this color (5.61:1).
About this color
#287084 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.077 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.028 away. White text reads best on it, at 5.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.74:1 |
| White text | 5.61:1 |
Values
| HEX | #287084 |
| RGB | rgb(40, 112, 132) |
| HSL | hsl(193, 53%, 34%) |
| OKLCH | oklch(50.9% 0.077 219.7) |
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 #287084 | 5.61:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #287084 | 3.74:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #287084 text on white | 5.61:1 | AA | Lc 77.8 | Fine for body text |
| #287084 text on black | 3.74:1 | AA large text | Lc -24.0 | 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE3
oklch(88.6% 0.021 219.7)
-
Step 300
300
#A7C7D1
oklch(80.9% 0.037 218.7)
-
Step 400
400
#76AABA
oklch(70.7% 0.06 219)
-
Step 500
500
#5094A9
oklch(63% 0.076 220.2)
-
Step 600
600
#307E94
oklch(55.5% 0.082 219.9)
-
Step 700
700 (this color)
#287084
oklch(50.9% 0.077 219.7)
-
Step 800
800
#1E5767
oklch(42.7% 0.064 219.8)
-
Step 900
900
#1F4854
oklch(37.8% 0.05 219.7)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#287084 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) | #646D85 | 0.065 |
| Deuteranopia (no green cones) | #576384 | 0.058 |
| Tritanopia (no blue cones) | #007776 | 0.039 |
| Achromatopsia (no color) | #686868 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287084
#287084
oklch(50.9% 0.077 219.7)
- #8B5644
#8B5644
oklch(50.8% 0.076 39.5)
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 #287084, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.028
- Deep Aqua #08787F ΔE 0.030
- Ocean #017B92 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.035
- Ocean Blue #03719C ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.040
- Bluegreen #017A79 ΔE 0.042
- Metallic Blue #4F738E ΔE 0.043
Use #287084 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.