#285BB2#285BB2

#285BB2 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.6% C 0.149 H 260.4°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#285BB2
RGB	rgb(40, 91, 178)
HSL	hsl(218, 63%, 43%)
HSV	hsv(218, 78%, 70%)
CMYK	cmyk(77.5%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(39.83, 14.65, -51.16)
CIE-LCH	lch(39.83, 53.21, 285.98°)
OKLab	oklab(48.6% -0.0249 -0.147)
OKLCH	oklch(48.6% 0.149 260.4)
XYZ	xyz(12.6491, 11.1462, 43.5956)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285BB2 #B27F28

analogous

#28A0B2 #285BB2 #3A28B2

triadic

#285BB2 #B2285B #5BB228

tetradic

#285BB2 #B228A0 #B27F28 #28B23A

square

#285BB2 #B228A0 #B27F28 #28B23A

split-complementary

#285BB2 #B23A28 #A0B228

monochromatic

#12284E #1D4180 #285BB2 #4379D5 #759CE0

Accessibility & contrast

On white

6.50

#285BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#285BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285BB2

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285BB2	#FFFFFF	#000000	##FFFFFF
##285BB2	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2965B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #285bb2;
/* rgb */ color: rgb(40, 91, 178);
/* oklch */ color: oklch(48.6% 0.149 260.4);

Tailwind

colors: {
  custom: {
    50: '#7788ca',
    500: '#285bb2',
    950: '#000000',
  },
}

SCSS

$custom: #285bb2;
$custom-light: #7788ca;
$custom-dark: #000000;

JSON

{
  "hex": "#285bb2",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 217.826,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.486,
    "c": 0.14912,
    "h": 260.4
  },
  "luminance": 0.11148
}

Semantic roles & 50–950 ramp

primary

#285BB2

secondary

#C7A66F

accent

#A941E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285BB2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →