#2F5CDB#2F5CDB

#2F5CDB is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 52.3% C 0.201 H 265.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F5CDB
RGB	rgb(47, 92, 219)
HSL	hsl(224, 70%, 52%)
HSV	hsv(224, 79%, 86%)
CMYK	cmyk(78.5%, 58%, 0%, 14.1%)
CIE-LAB	lab(43.32, 30.29, -69.22)
CIE-LCH	lch(43.32, 75.56, 293.63°)
OKLab	oklab(52.25% -0.0171 -0.2)
OKLCH	oklch(52.25% 0.201 265.1)
XYZ	xyz(17.7811, 13.3710, 68.6478)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5CDB #DBAE2F

analogous

#2FB2DB #2F5CDB #582FDB

triadic

#2F5CDB #DB2F5C #5CDB2F

tetradic

#2F5CDB #DB2FB2 #DBAE2F #2FDB58

square

#2F5CDB #DB2FB2 #DBAE2F #2FDB58

split-complementary

#2F5CDB #DB582F #B2DB2F

monochromatic

#15307A #1E44AF #2F5CDB #6385E4 #97AEED

Accessibility & contrast

On white

5.71

#2F5CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#2F5CDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5CDB

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5CDB	#FFFFFF	#000000	##FFFFFF
##2F5CDB	1.00	5.71	3.67	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDF

Deuteranopia (green-blind)

#005FD9

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2f5cdb;
/* rgb */ color: rgb(47, 92, 219);
/* oklch */ color: oklch(52.3% 0.201 265.1);

Tailwind

colors: {
  custom: {
    50: '#8289e7',
    500: '#2f5cdb',
    950: '#000000',
  },
}

SCSS

$custom: #2f5cdb;
$custom-light: #8289e7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5cdb",
  "rgb": {
    "r": 47,
    "g": 92,
    "b": 219
  },
  "hsl": {
    "h": 224.302,
    "s": 70.492,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52254,
    "c": 0.20075,
    "h": 265.1
  },
  "luminance": 0.13373
}

Semantic roles & 50–950 ramp

primary

#2F5CDB

secondary

#D8C58D

accent

#BF3BED

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #2F5CDB

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

Preview Lab → · Contrast checker → · Palette generator →