#2857A4#2857A4

#2857A4 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.7% C 0.135 H 259.8°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#2857A4
RGB	rgb(40, 87, 164)
HSL	hsl(217, 61%, 40%)
HSV	hsv(217, 76%, 64%)
CMYK	cmyk(75.6%, 47%, 0%, 35.7%)
CIE-LAB	lab(37.75, 11.86, -46.21)
CIE-LCH	lch(37.75, 47.71, 284.40°)
OKLab	oklab(46.71% -0.0238 -0.1325)
OKLCH	oklch(46.71% 0.135 259.8)
XYZ	xyz(10.9817, 9.9466, 36.4559)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857A4 #A47528

analogous

#2895A4 #2857A4 #3728A4

triadic

#2857A4 #A42857 #57A428

tetradic

#2857A4 #A42895 #A47528 #28A437

square

#2857A4 #A42895 #A47528 #28A437

split-complementary

#2857A4 #A43728 #95A428

monochromatic

#102342 #1C3D73 #2857A4 #3A73CF #6B96DB

Accessibility & contrast

On white

7.02

#2857A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2857A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2857A4

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857A4	#FFFFFF	#000000	##FFFFFF
##2857A4	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5FA7

Deuteranopia (green-blind)

#1054A2

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2857a4;
/* rgb */ color: rgb(40, 87, 164);
/* oklch */ color: oklch(46.7% 0.135 259.8);

Tailwind

colors: {
  custom: {
    50: '#7485bf',
    500: '#2857a4',
    950: '#000000',
  },
}

SCSS

$custom: #2857a4;
$custom-light: #7485bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2857a4",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 164
  },
  "hsl": {
    "h": 217.258,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.46706,
    "c": 0.13466,
    "h": 259.8
  },
  "luminance": 0.09948
}

Semantic roles & 50–950 ramp

primary

#2857A4

secondary

#C19F66

accent

#A744E4

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2857A4

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

Preview Lab → · Contrast checker → · Palette generator →