#286DAD
Closest named color: Mid Blue (#276AB3). oklch(52.4% 0.122 250), rgb(40, 109, 173).
Aa
White text reads best on this color (5.41:1).
About this color
#286DAD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.122 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.014 away. White text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.88:1 |
| White text | 5.41:1 |
Values
| HEX | #286DAD |
| RGB | rgb(40, 109, 173) |
| HSL | hsl(209, 62%, 42%) |
| OKLCH | oklch(52.4% 0.122 250) |
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 #286DAD | 5.41:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #286DAD | 3.88:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #286DAD text on white | 5.41:1 | AA | Lc 76.6 | Fine for body text |
| #286DAD text on black | 3.88:1 | AA large text | Lc -25.1 | 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 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A6C4E3
oklch(80.9% 0.055 249.4)
-
Step 400
400
#76A5D6
oklch(70.7% 0.088 250.2)
-
Step 500
500
#518ECB
oklch(63.2% 0.112 250)
-
Step 600
600 (this color)
#286DAD
oklch(52.4% 0.122 250)
-
Step 700
700
#25649E
oklch(49.2% 0.113 249.7)
-
Step 800
800
#205180
oklch(42.6% 0.094 250.2)
-
Step 900
900
#204467
oklch(37.8% 0.073 249.8)
-
Step 950
950
#14283C
oklch(27.1% 0.046 249.9)
#286DAD 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) | #4F71B0 | 0.040 |
| Deuteranopia (no green cones) | #3B64AC | 0.027 |
| Tritanopia (no blue cones) | #007C85 | 0.089 |
| Achromatopsia (no color) | #6A6A6A | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286DAD
#286DAD
oklch(52.4% 0.122 250)
- #935C00
#935C00
oklch(52.4% 0.114 69.7)
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 #286DAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.014
- French Blue #436BAD ΔE 0.023
- Flat Blue #3C73A8 ΔE 0.027
- Muted Blue #3B719F ΔE 0.031
- Ocean Blue #03719C ΔE 0.036
- Nice Blue #107AB0 ΔE 0.036
- Windows Blue #3778BF ΔE 0.042
- Peacock Blue #016795 ΔE 0.046
Use #286DAD 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.