#2859B0#2859B0

#2859B0 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.0% C 0.149 H 260.9°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#2859B0
RGB	rgb(40, 89, 176)
HSL	hsl(218, 63%, 42%)
HSV	hsv(218, 77%, 69%)
CMYK	cmyk(77.3%, 49.4%, 0%, 31%)
CIE-LAB	lab(39.12, 15.19, -51.12)
CIE-LCH	lch(39.12, 53.33, 286.55°)
OKLab	oklab(48.02% -0.0236 -0.1469)
OKLCH	oklch(48.02% 0.149 260.9)
XYZ	xyz(12.2811, 10.7291, 42.4895)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2859B0 #B07F28

analogous

#289DB0 #2859B0 #3B28B0

triadic

#2859B0 #B02859 #59B028

tetradic

#2859B0 #B0289D #B07F28 #28B03B

square

#2859B0 #B0289D #B07F28 #28B03B

split-complementary

#2859B0 #B03B28 #9DB028

monochromatic

#11274C #1D407E #2859B0 #4176D4 #739ADF

Accessibility & contrast

On white

6.68

#2859B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#2859B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2859B0

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2859B0	#FFFFFF	#000000	##FFFFFF
##2859B0	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2663B3

Deuteranopia (green-blind)

#0056AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2859b0;
/* rgb */ color: rgb(40, 89, 176);
/* oklch */ color: oklch(48.0% 0.149 260.9);

Tailwind

colors: {
  custom: {
    50: '#7687c8',
    500: '#2859b0',
    950: '#000000',
  },
}

SCSS

$custom: #2859b0;
$custom-light: #7687c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2859b0",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 176
  },
  "hsl": {
    "h": 218.382,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48016,
    "c": 0.14882,
    "h": 260.9
  },
  "luminance": 0.1073
}

Semantic roles & 50–950 ramp

primary

#2859B0

secondary

#C6A66D

accent

#AB42E6

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2859B0

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

Preview Lab → · Contrast checker → · Palette generator →