#2F57C3#2F57C3

#2F57C3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.3% C 0.175 H 265.1°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#2F57C3
RGB	rgb(47, 87, 195)
HSL	hsl(224, 61%, 47%)
HSV	hsv(224, 76%, 76%)
CMYK	cmyk(75.9%, 55.4%, 0%, 23.5%)
CIE-LAB	lab(40.18, 24.57, -60.52)
CIE-LCH	lch(40.18, 65.31, 292.09°)
OKLab	oklab(49.32% -0.0149 -0.1745)
OKLCH	oklch(49.32% 0.175 265.1)
XYZ	xyz(14.4273, 11.3592, 53.0514)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F57C3 #C39B2F

analogous

#2FA1C3 #2F57C3 #512FC3

triadic

#2F57C3 #C32F57 #57C32F

tetradic

#2F57C3 #C32FA1 #C39B2F #2FC351

square

#2F57C3 #C32FA1 #C39B2F #2FC351

split-complementary

#2F57C3 #C3512F #A1C32F

monochromatic

#172B60 #234192 #2F57C3 #587BD7 #8AA2E3

Accessibility & contrast

On white

6.42

#2F57C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#2F57C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F57C3

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F57C3	#FFFFFF	#000000	##FFFFFF
##2F57C3	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C7

Deuteranopia (green-blind)

#0058C1

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f57c3;
/* rgb */ color: rgb(47, 87, 195);
/* oklch */ color: oklch(49.3% 0.175 265.1);

Tailwind

colors: {
  custom: {
    50: '#7d85d6',
    500: '#2f57c3',
    950: '#000000',
  },
}

SCSS

$custom: #2f57c3;
$custom-light: #7d85d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f57c3",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 195
  },
  "hsl": {
    "h": 223.784,
    "s": 61.157,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49322,
    "c": 0.17515,
    "h": 265.1
  },
  "luminance": 0.11361
}

Semantic roles & 50–950 ramp

primary

#2F57C3

secondary

#CDB881

accent

#B944E4

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2F57C3

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

Preview Lab → · Contrast checker → · Palette generator →