#2859B2#2859B2

#2859B2 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.152 H 261.1°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#2859B2
RGB	rgb(40, 89, 178)
HSL	hsl(219, 63%, 43%)
HSV	hsv(219, 78%, 70%)
CMYK	cmyk(77.5%, 50%, 0%, 30.2%)
CIE-LAB	lab(39.26, 15.96, -52.08)
CIE-LCH	lch(39.26, 54.47, 287.04°)
OKLab	oklab(48.16% -0.0233 -0.1498)
OKLCH	oklch(48.16% 0.152 261.1)
XYZ	xyz(12.4804, 10.8088, 43.5394)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2859B2 #B28128

analogous

#289EB2 #2859B2 #3C28B2

triadic

#2859B2 #B22859 #59B228

tetradic

#2859B2 #B2289E #B28128 #28B23C

square

#2859B2 #B2289E #B28128 #28B23C

split-complementary

#2859B2 #B23C28 #9EB228

monochromatic

#12274E #1D4080 #2859B2 #4376D5 #759BE0

Accessibility & contrast

On white

6.64

#2859B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#2859B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2859B2

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2859B2	#FFFFFF	#000000	##FFFFFF
##2859B2	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2363B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2859b2;
/* rgb */ color: rgb(40, 89, 178);
/* oklch */ color: oklch(48.2% 0.152 261.1);

Tailwind

colors: {
  custom: {
    50: '#7787ca',
    500: '#2859b2',
    950: '#000000',
  },
}

SCSS

$custom: #2859b2;
$custom-light: #7787ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2859b2",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 178
  },
  "hsl": {
    "h": 218.696,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48164,
    "c": 0.15157,
    "h": 261.1
  },
  "luminance": 0.1081
}

Semantic roles & 50–950 ramp

primary

#2859B2

secondary

#C7A86F

accent

#AC41E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2859B2

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

Preview Lab → · Contrast checker → · Palette generator →