#2D57BD#2D57BD

#2D57BD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.168 H 264.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#2D57BD
RGB	rgb(45, 87, 189)
HSL	hsl(223, 62%, 46%)
HSV	hsv(223, 76%, 74%)
CMYK	cmyk(76.2%, 54%, 0%, 25.9%)
CIE-LAB	lab(39.66, 22.07, -57.87)
CIE-LCH	lch(39.66, 61.93, 290.88°)
OKLab	oklab(48.77% -0.0169 -0.1668)
OKLCH	oklch(48.77% 0.168 264.2)
XYZ	xyz(13.6724, 11.0469, 49.5459)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D57BD #BD932D

analogous

#2D9FBD #2D57BD #4B2DBD

triadic

#2D57BD #BD2D57 #57BD2D

tetradic

#2D57BD #BD2D9F #BD932D #2DBD4B

square

#2D57BD #BD2D9F #BD932D #2DBD4B

split-complementary

#2D57BD #BD4B2D #9FBD2D

monochromatic

#15295A #21408C #2D57BD #5278D6 #839FE1

Accessibility & contrast

On white

6.54

#2D57BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2D57BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D57BD

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D57BD	#FFFFFF	#000000	##FFFFFF
##2D57BD	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2d57bd;
/* rgb */ color: rgb(45, 87, 189);
/* oklch */ color: oklch(48.8% 0.168 264.2);

Tailwind

colors: {
  custom: {
    50: '#7b85d2',
    500: '#2d57bd',
    950: '#000000',
  },
}

SCSS

$custom: #2d57bd;
$custom-light: #7b85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d57bd",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 222.5,
    "s": 61.538,
    "l": 45.882
  },
  "oklch": {
    "l": 0.48768,
    "c": 0.16762,
    "h": 264.2
  },
  "luminance": 0.11048
}

Semantic roles & 50–950 ramp

primary

#2D57BD

secondary

#CBB37B

accent

#B643E5

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2D57BD

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

Preview Lab → · Contrast checker → · Palette generator →