#2857A6#2857A6

#2857A6 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.137 H 260.2°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#2857A6
RGB	rgb(40, 87, 166)
HSL	hsl(218, 61%, 40%)
HSV	hsv(218, 76%, 65%)
CMYK	cmyk(75.9%, 47.6%, 0%, 34.9%)
CIE-LAB	lab(37.88, 12.64, -47.19)
CIE-LCH	lch(37.88, 48.86, 284.99°)
OKLab	oklab(46.85% -0.0235 -0.1354)
OKLCH	oklch(46.85% 0.137 260.2)
XYZ	xyz(11.1637, 10.0194, 37.4146)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857A6 #A67728

analogous

#2896A6 #2857A6 #3828A6

triadic

#2857A6 #A62857 #57A628

tetradic

#2857A6 #A62896 #A67728 #28A638

square

#2857A6 #A62896 #A67728 #28A638

split-complementary

#2857A6 #A63828 #96A628

monochromatic

#102343 #1C3D75 #2857A6 #3B73D0 #6D96DC

Accessibility & contrast

On white

6.99

#2857A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#2857A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857A6

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857A6	#FFFFFF	#000000	##FFFFFF
##2857A6	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5FA9

Deuteranopia (green-blind)

#0A54A4

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2857a6;
/* rgb */ color: rgb(40, 87, 166);
/* oklch */ color: oklch(46.8% 0.137 260.2);

Tailwind

colors: {
  custom: {
    50: '#7485c1',
    500: '#2857a6',
    950: '#000000',
  },
}

SCSS

$custom: #2857a6;
$custom-light: #7485c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2857a6",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 166
  },
  "hsl": {
    "h": 217.619,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.46849,
    "c": 0.13745,
    "h": 260.2
  },
  "luminance": 0.10021
}

Semantic roles & 50–950 ramp

primary

#2857A6

secondary

#C2A067

accent

#A844E4

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2857A6

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

Preview Lab → · Contrast checker → · Palette generator →