#286784
Closest named color: Denim (#3B638C). oklch(48.6% 0.079 231.5), rgb(40, 103, 132).
Aa
White text reads best on this color (6.24:1).
About this color
#286784 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.079 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.026 away. White text reads best on it, at 6.24:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #286784 |
| RGB | rgb(40, 103, 132) |
| HSL | hsl(199, 53%, 34%) |
| OKLCH | oklch(48.6% 0.079 231.5) |
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 #286784 | 6.24:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #286784 | 3.36:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #286784 text on white | 6.24:1 | AA | Lc 80.9 | Fine for body text |
| #286784 text on black | 3.36:1 | AA large text | Lc -21.0 | 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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A9C6D5
oklch(81% 0.038 230.3)
-
Step 400
400
#7AA8C0
oklch(70.7% 0.06 231.4)
-
Step 500
500
#5592B0
oklch(63% 0.078 231.1)
-
Step 600
600
#387C9C
oklch(55.6% 0.084 231.4)
-
Step 700
700 (this color)
#286784
oklch(48.6% 0.079 231.5)
-
Step 800
800
#24556C
oklch(42.6% 0.065 231.4)
-
Step 900
900
#234658
oklch(37.6% 0.051 232.8)
-
Step 950
950
#152933
oklch(26.9% 0.032 231.4)
#286784 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) | #586685 | 0.052 |
| Deuteranopia (no green cones) | #4C5C84 | 0.047 |
| Tritanopia (no blue cones) | #006F71 | 0.049 |
| Achromatopsia (no color) | #606060 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286784
#286784
oklch(48.6% 0.079 231.5)
- #835234
#835234
oklch(48.7% 0.079 51.5)
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 #286784, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.026
- Peacock Blue #016795 ΔE 0.031
- Sea Blue #047495 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.042
- Ocean Blue #03719C ΔE 0.042
- YInMn Blue #415A77 ΔE 0.042
- Slate #516572 ΔE 0.048
- Dark Aqua #05696B ΔE 0.049
Use #286784 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.