#2D57BC#2D57BC

#2D57BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.166 H 264.1°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#2D57BC
RGB	rgb(45, 87, 188)
HSL	hsl(222, 61%, 46%)
HSV	hsv(222, 76%, 74%)
CMYK	cmyk(76.1%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(39.59, 21.69, -57.40)
CIE-LCH	lch(39.59, 61.36, 290.70°)
OKLab	oklab(48.69% -0.017 -0.1654)
OKLCH	oklch(48.69% 0.166 264.1)
XYZ	xyz(13.5643, 11.0036, 48.9762)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D57BC #BC922D

analogous

#2D9EBC #2D57BC #4B2DBC

triadic

#2D57BC #BC2D57 #57BC2D

tetradic

#2D57BC #BC2D9E #BC922D #2DBC4B

square

#2D57BC #BC2D9E #BC922D #2DBC4B

split-complementary

#2D57BC #BC4B2D #9EBC2D

monochromatic

#152959 #21408B #2D57BC #5178D5 #829EE1

Accessibility & contrast

On white

6.56

#2D57BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#2D57BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D57BC

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D57BC	#FFFFFF	#000000	##FFFFFF
##2D57BC	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0464C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2d57bc;
/* rgb */ color: rgb(45, 87, 188);
/* oklch */ color: oklch(48.7% 0.166 264.1);

Tailwind

colors: {
  custom: {
    50: '#7b85d1',
    500: '#2d57bc',
    950: '#000000',
  },
}

SCSS

$custom: #2d57bc;
$custom-light: #7b85d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d57bc",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 222.378,
    "s": 61.373,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4869,
    "c": 0.16626,
    "h": 264.1
  },
  "luminance": 0.11005
}

Semantic roles & 50–950 ramp

primary

#2D57BC

secondary

#CAB37B

accent

#B543E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2D57BC

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

Preview Lab → · Contrast checker → · Palette generator →