#2D57AC#2D57AC

#2D57AC is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.144 H 262.5°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#2D57AC
RGB	rgb(45, 87, 172)
HSL	hsl(220, 59%, 43%)
HSV	hsv(220, 74%, 67%)
CMYK	cmyk(73.8%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(38.47, 15.61, -49.80)
CIE-LCH	lch(38.47, 52.19, 287.40°)
OKLab	oklab(47.48% -0.0188 -0.143)
OKLCH	oklch(47.48% 0.144 262.5)
XYZ	xyz(11.9341, 10.3515, 40.3908)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D57AC #AC822D

analogous

#2D97AC #2D57AC #422DAC

triadic

#2D57AC #AC2D57 #57AC2D

tetradic

#2D57AC #AC2D97 #AC822D #2DAC42

square

#2D57AC #AC2D97 #AC822D #2DAC42

split-complementary

#2D57AC #AC422D #97AC2D

monochromatic

#14264B #203E7B #2D57AC #4774CF #7899DC

Accessibility & contrast

On white

6.84

#2D57AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2D57AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D57AC

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D57AC	#FFFFFF	#000000	##FFFFFF
##2D57AC	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2661AF

Deuteranopia (green-blind)

#0055AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2d57ac;
/* rgb */ color: rgb(45, 87, 172);
/* oklch */ color: oklch(47.5% 0.144 262.5);

Tailwind

colors: {
  custom: {
    50: '#7785c5',
    500: '#2d57ac',
    950: '#000000',
  },
}

SCSS

$custom: #2d57ac;
$custom-light: #7785c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d57ac",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 220.157,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47481,
    "c": 0.14425,
    "h": 262.5
  },
  "luminance": 0.10353
}

Semantic roles & 50–950 ramp

primary

#2D57AC

secondary

#C4A871

accent

#AE46E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2D57AC

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

Preview Lab → · Contrast checker → · Palette generator →