#2859C3#2859C3

#2859C3 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.175 H 262.9°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#2859C3
RGB	rgb(40, 89, 195)
HSL	hsl(221, 66%, 46%)
HSV	hsv(221, 79%, 76%)
CMYK	cmyk(79.5%, 54.4%, 0%, 23.5%)
CIE-LAB	lab(40.47, 22.51, -60.06)
CIE-LCH	lch(40.47, 64.14, 290.54°)
OKLab	oklab(49.47% -0.0214 -0.1733)
OKLCH	oklch(49.47% 0.175 262.9)
XYZ	xyz(14.2942, 11.5343, 53.0922)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2859C3 #C39228

analogous

#28A6C3 #2859C3 #4428C3

triadic

#2859C3 #C32859 #59C328

tetradic

#2859C3 #C328A6 #C39228 #28C344

square

#2859C3 #C328A6 #C39228 #28C344

split-complementary

#2859C3 #C34428 #A6C328

monochromatic

#132B5D #1E4290 #2859C3 #4E7ADB #80A0E5

Accessibility & contrast

On white

6.35

#2859C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2859C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2859C3

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2859C3	#FFFFFF	#000000	##FFFFFF
##2859C3	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C7

Deuteranopia (green-blind)

#0059C1

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2859c3;
/* rgb */ color: rgb(40, 89, 195);
/* oklch */ color: oklch(49.5% 0.175 262.9);

Tailwind

colors: {
  custom: {
    50: '#7b87d6',
    500: '#2859c3',
    950: '#000000',
  },
}

SCSS

$custom: #2859c3;
$custom-light: #7b87d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2859c3",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 195
  },
  "hsl": {
    "h": 221.032,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49469,
    "c": 0.17458,
    "h": 262.9
  },
  "luminance": 0.11536
}

Semantic roles & 50–950 ramp

primary

#2859C3

secondary

#CEB379

accent

#B33FE9

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2859C3

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

Preview Lab → · Contrast checker → · Palette generator →