#286B89
Closest named color: Denim (#3B638C). oklch(49.9% 0.082 231.1), rgb(40, 107, 137).
Aa
White text reads best on this color (5.90:1).
About this color
#286B89 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.082 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.029 away. White text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #286B89 |
| RGB | rgb(40, 107, 137) |
| HSL | hsl(199, 55%, 35%) |
| OKLCH | oklch(49.9% 0.082 231.1) |
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 #286B89 | 5.90:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #286B89 | 3.55:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #286B89 text on white | 5.90:1 | AA | Lc 79.3 | Fine for body text |
| #286B89 text on black | 3.55:1 | AA large text | Lc -22.5 | 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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A8C6D6
oklch(81% 0.039 231.2)
-
Step 400
400
#78A8C1
oklch(70.6% 0.063 231.5)
-
Step 500
500
#5292B2
oklch(63% 0.082 231.8)
-
Step 600
600
#347C9D
oklch(55.5% 0.087 231.2)
-
Step 700
700 (this color)
#286B89
oklch(49.9% 0.082 231.1)
-
Step 800
800
#21556D
oklch(42.6% 0.068 231.4)
-
Step 900
900
#214759
oklch(37.8% 0.053 231)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#286B89 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) | #5C6A8A | 0.056 |
| Deuteranopia (no green cones) | #4F6089 | 0.048 |
| Tritanopia (no blue cones) | #007375 | 0.050 |
| Achromatopsia (no color) | #646464 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286B89
#286B89
oklch(49.9% 0.082 231.1)
- #885536
#885536
oklch(50% 0.081 51.3)
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 #286B89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.029
- Sea Blue #047495 ΔE 0.029
- Peacock Blue #016795 ΔE 0.030
- Ocean Blue #03719C ΔE 0.032
- Muted Blue #3B719F ΔE 0.042
- Ocean #017B92 ΔE 0.046
- Metallic Blue #4F738E ΔE 0.048
- Deep Aqua #08787F ΔE 0.048
Use #286B89 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.