#286BA6
Closest named color: Mid Blue (#276AB3). oklch(51.5% 0.115 248.7), rgb(40, 107, 166).
Aa
White text reads best on this color (5.60:1).
About this color
#286BA6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.115 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.022 away. White text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #286BA6 |
| RGB | rgb(40, 107, 166) |
| HSL | hsl(208, 61%, 40%) |
| OKLCH | oklch(51.5% 0.115 248.7) |
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 #286BA6 | 5.60:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #286BA6 | 3.74:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #286BA6 text on white | 5.60:1 | AA | Lc 77.7 | Fine for body text |
| #286BA6 text on black | 3.74:1 | AA large text | Lc -24.1 | 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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBED
oklch(88.4% 0.031 249.7)
-
Step 300
300
#A5C4E4
oklch(80.8% 0.056 249.4)
-
Step 400
400
#74A5D6
oklch(70.6% 0.089 249.2)
-
Step 500
500
#4D8ECB
oklch(63% 0.114 248.7)
-
Step 600
600
#2E77B8
oklch(55.5% 0.124 248.9)
-
Step 700
700 (this color)
#286BA6
oklch(51.5% 0.115 248.7)
-
Step 800
800
#1D5280
oklch(42.7% 0.094 248.4)
-
Step 900
900
#1E4467
oklch(37.7% 0.074 248.7)
-
Step 950
950
#13283C
oklch(27% 0.046 248.8)
#286BA6 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) | #506EA8 | 0.041 |
| Deuteranopia (no green cones) | #3D62A5 | 0.028 |
| Tritanopia (no blue cones) | #007980 | 0.085 |
| Achromatopsia (no color) | #686868 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286BA6
#286BA6
oklch(51.5% 0.115 248.7)
- #905900
#905900
oklch(51.4% 0.112 68.8)
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 #286BA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.022
- French Blue #436BAD ΔE 0.027
- Muted Blue #3B719F ΔE 0.029
- Ocean Blue #03719C ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.031
- Peacock Blue #016795 ΔE 0.035
- Nice Blue #107AB0 ΔE 0.042
- Denim #3B638C ΔE 0.043
Use #286BA6 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.