#2D57AF#2D57AF

#2D57AF is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.148 H 262.9°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#2D57AF
RGB	rgb(45, 87, 175)
HSL	hsl(221, 59%, 43%)
HSV	hsv(221, 74%, 69%)
CMYK	cmyk(74.3%, 50.3%, 0%, 31.4%)
CIE-LAB	lab(38.67, 16.75, -51.24)
CIE-LCH	lch(38.67, 53.91, 288.10°)
OKLab	oklab(47.7% -0.0184 -0.1473)
OKLCH	oklch(47.7% 0.148 262.9)
XYZ	xyz(12.2255, 10.4681, 41.9254)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D57AF #AF852D

analogous

#2D98AF #2D57AF #442DAF

triadic

#2D57AF #AF2D57 #57AF2D

tetradic

#2D57AF #AF2D98 #AF852D #2DAF44

square

#2D57AF #AF2D98 #AF852D #2DAF44

split-complementary

#2D57AF #AF442D #98AF2D

monochromatic

#14274E #203F7E #2D57AF #4975D0 #7A9ADD

Accessibility & contrast

On white

6.79

#2D57AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2D57AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D57AF

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D57AF	#FFFFFF	#000000	##FFFFFF
##2D57AF	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2361B2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2d57af;
/* rgb */ color: rgb(45, 87, 175);
/* oklch */ color: oklch(47.7% 0.148 262.9);

Tailwind

colors: {
  custom: {
    50: '#7885c7',
    500: '#2d57af',
    950: '#000000',
  },
}

SCSS

$custom: #2d57af;
$custom-light: #7885c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d57af",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 175
  },
  "hsl": {
    "h": 220.615,
    "s": 59.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.47702,
    "c": 0.14842,
    "h": 262.9
  },
  "luminance": 0.10469
}

Semantic roles & 50–950 ramp

primary

#2D57AF

secondary

#C5AA73

accent

#B046E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2D57AF

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

Preview Lab → · Contrast checker → · Palette generator →