#286BAC
Closest named color: Mid Blue (#276AB3). oklch(51.8% 0.123 250.9), rgb(40, 107, 172).
Aa
White text reads best on this color (5.54:1).
About this color
#286BAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.123 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.012 away. White text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.78:1 |
| White text | 5.54:1 |
Values
| HEX | #286BAC |
| RGB | rgb(40, 107, 172) |
| HSL | hsl(210, 62%, 42%) |
| OKLCH | oklch(51.8% 0.123 250.9) |
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 #286BAC | 5.54:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #286BAC | 3.78:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #286BAC text on white | 5.54:1 | AA | Lc 77.3 | Fine for body text |
| #286BAC text on black | 3.78:1 | AA large text | Lc -24.4 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E6
oklch(80.9% 0.059 250.9)
-
Step 400
400
#73A5DA
oklch(70.7% 0.095 250.7)
-
Step 500
500
#4C8DD0
oklch(63% 0.122 251)
-
Step 600
600
#2D76BD
oklch(55.6% 0.132 251)
-
Step 700
700 (this color)
#286BAC
oklch(51.8% 0.123 250.9)
-
Step 800
800
#1C5184
oklch(42.7% 0.101 250.8)
-
Step 900
900
#1D436A
oklch(37.6% 0.08 251.3)
-
Step 950
950
#12283E
oklch(27.1% 0.05 250.2)
#286BAC 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) | #4D6FAF | 0.038 |
| Deuteranopia (no green cones) | #3963AB | 0.024 |
| Tritanopia (no blue cones) | #007A83 | 0.091 |
| Achromatopsia (no color) | #686868 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286BAC
#286BAC
oklch(51.8% 0.123 250.9)
- #905B00
#905B00
oklch(51.8% 0.112 70.6)
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 #286BAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.012
- French Blue #436BAD ΔE 0.024
- Flat Blue #3C73A8 ΔE 0.032
- Muted Blue #3B719F ΔE 0.034
- Ocean Blue #03719C ΔE 0.037
- Nice Blue #107AB0 ΔE 0.042
- Peacock Blue #016795 ΔE 0.043
- Windows Blue #3778BF ΔE 0.047
Use #286BAC 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.