#2857A9#2857A9

#2857A9 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.1% C 0.142 H 260.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2857A9
RGB	rgb(40, 87, 169)
HSL	hsl(218, 62%, 41%)
HSV	hsv(218, 76%, 66%)
CMYK	cmyk(76.3%, 48.5%, 0%, 33.7%)
CIE-LAB	lab(38.08, 13.80, -48.66)
CIE-LCH	lch(38.08, 50.57, 285.83°)
OKLab	oklab(47.07% -0.023 -0.1397)
OKLCH	oklch(47.07% 0.142 260.7)
XYZ	xyz(11.4421, 10.1308, 38.8808)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2857A9 #A97A28

analogous

#2897A9 #2857A9 #3A28A9

triadic

#2857A9 #A92857 #57A928

tetradic

#2857A9 #A92897 #A97A28 #28A93A

square

#2857A9 #A92897 #A97A28 #28A93A

split-complementary

#2857A9 #A93A28 #97A928

monochromatic

#112446 #1C3E78 #2857A9 #3D73D1 #6F97DD

Accessibility & contrast

On white

6.94

#2857A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2857A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2857A9

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2857A9	#FFFFFF	#000000	##FFFFFF
##2857A9	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2960AC

Deuteranopia (green-blind)

#0054A7

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2857a9;
/* rgb */ color: rgb(40, 87, 169);
/* oklch */ color: oklch(47.1% 0.142 260.7);

Tailwind

colors: {
  custom: {
    50: '#7585c3',
    500: '#2857a9',
    950: '#000000',
  },
}

SCSS

$custom: #2857a9;
$custom-light: #7585c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2857a9",
  "rgb": {
    "r": 40,
    "g": 87,
    "b": 169
  },
  "hsl": {
    "h": 218.14,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47065,
    "c": 0.14162,
    "h": 260.7
  },
  "luminance": 0.10132
}

Semantic roles & 50–950 ramp

primary

#2857A9

secondary

#C4A369

accent

#AA43E5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2857A9

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

Preview Lab → · Contrast checker → · Palette generator →