#2D57A6#2D57A6

#2D57A6 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.136 H 261.6°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2D57A6
RGB	rgb(45, 87, 166)
HSL	hsl(219, 57%, 41%)
HSV	hsv(219, 73%, 65%)
CMYK	cmyk(72.9%, 47.6%, 0%, 34.9%)
CIE-LAB	lab(38.07, 13.32, -46.88)
CIE-LCH	lch(38.07, 48.73, 285.86°)
OKLab	oklab(47.05% -0.0197 -0.1344)
OKLCH	oklch(47.05% 0.136 261.6)
XYZ	xyz(11.3709, 10.1262, 37.4243)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D57A6 #A67C2D

analogous

#2D94A6 #2D57A6 #402DA6

triadic

#2D57A6 #A62D57 #57A62D

tetradic

#2D57A6 #A62D94 #A67C2D #2DA640

square

#2D57A6 #A62D94 #A67C2D #2DA640

split-complementary

#2D57A6 #A6402D #94A62D

monochromatic

#132546 #203E76 #2D57A6 #4473CC #7497D9

Accessibility & contrast

On white

6.94

#2D57A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2D57A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D57A6

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D57A6	#FFFFFF	#000000	##FFFFFF
##2D57A6	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)

#2D60A9

Deuteranopia (green-blind)

#0F54A4

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2d57a6;
/* rgb */ color: rgb(45, 87, 166);
/* oklch */ color: oklch(47.0% 0.136 261.6);

Tailwind

colors: {
  custom: {
    50: '#7685c1',
    500: '#2d57a6',
    950: '#000000',
  },
}

SCSS

$custom: #2d57a6;
$custom-light: #7685c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d57a6",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 166
  },
  "hsl": {
    "h": 219.174,
    "s": 57.346,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47048,
    "c": 0.13586,
    "h": 261.6
  },
  "luminance": 0.10127
}

Semantic roles & 50–950 ramp

primary

#2D57A6

secondary

#C1A46E

accent

#AB47E1

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2D57A6

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

Preview Lab → · Contrast checker → · Palette generator →