#286188
Closest named color: Denim (#3B638C). oklch(47.3% 0.087 241.8), rgb(40, 97, 136).
Aa
White text reads best on this color (6.65:1).
About this color
#286188 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.087 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.021 away. White text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #286188 |
| RGB | rgb(40, 97, 136) |
| HSL | hsl(204, 55%, 35%) |
| OKLCH | oklch(47.3% 0.087 241.8) |
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 #286188 | 6.65:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #286188 | 3.15:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #286188 text on white | 6.65:1 | AA | Lc 82.6 | Fine for body text |
| #286188 text on black | 3.15:1 | AA large text | Lc -19.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDBE7
oklch(88.4% 0.023 241.9)
-
Step 300
300
#AAC5DA
oklch(81% 0.042 241.5)
-
Step 400
400
#7BA6C7
oklch(70.6% 0.067 241.9)
-
Step 500
500
#5890B9
oklch(63.1% 0.086 241.7)
-
Step 600
600
#3C79A5
oklch(55.5% 0.093 242.4)
-
Step 700
700 (this color)
#286188
oklch(47.3% 0.087 241.8)
-
Step 800
800
#275373
oklch(42.6% 0.072 242.6)
-
Step 900
900
#25455D
oklch(37.7% 0.056 242.6)
-
Step 950
950
#162936
oklch(27.1% 0.035 239.7)
#286188 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) | #4F628A | 0.043 |
| Deuteranopia (no green cones) | #425887 | 0.034 |
| Tritanopia (no blue cones) | #006B6F | 0.061 |
| Achromatopsia (no color) | #5C5C5C | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286188
#286188
oklch(47.3% 0.087 241.8)
- #7E4F22
#7E4F22
oklch(47.2% 0.087 61.6)
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 #286188, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.021
- Peacock Blue #016795 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.036
- Dusky Blue #475F94 ΔE 0.039
- Dusk Blue #26538D ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.048
Use #286188 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.