#2F5DDB#2F5DDB

#2F5DDB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.4% C 0.200 H 264.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F5DDB
RGB	rgb(47, 93, 219)
HSL	hsl(224, 70%, 52%)
HSV	hsv(224, 79%, 86%)
CMYK	cmyk(78.5%, 57.5%, 0%, 14.1%)
CIE-LAB	lab(43.57, 29.65, -68.81)
CIE-LCH	lch(43.57, 74.92, 293.31°)
OKLab	oklab(52.45% -0.0177 -0.1988)
OKLCH	oklch(52.45% 0.2 264.9)
XYZ	xyz(17.8683, 13.5454, 68.6769)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5DDB #DBAD2F

analogous

#2FB3DB #2F5DDB #572FDB

triadic

#2F5DDB #DB2F5D #5DDB2F

tetradic

#2F5DDB #DB2FB3 #DBAD2F #2FDB57

square

#2F5DDB #DB2FB3 #DBAD2F #2FDB57

split-complementary

#2F5DDB #DB572F #B3DB2F

monochromatic

#15307A #1E45AF #2F5DDB #6386E4 #97AEED

Accessibility & contrast

On white

5.66

#2F5DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2F5DDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5DDB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5DDB	#FFFFFF	#000000	##FFFFFF
##2F5DDB	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDF

Deuteranopia (green-blind)

#005FD9

Tritanopia (blue-blind)

#007D93

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2f5ddb;
/* rgb */ color: rgb(47, 93, 219);
/* oklch */ color: oklch(52.4% 0.200 264.9);

Tailwind

colors: {
  custom: {
    50: '#828ae7',
    500: '#2f5ddb',
    950: '#000000',
  },
}

SCSS

$custom: #2f5ddb;
$custom-light: #828ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5ddb",
  "rgb": {
    "r": 47,
    "g": 93,
    "b": 219
  },
  "hsl": {
    "h": 223.953,
    "s": 70.492,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52446,
    "c": 0.19956,
    "h": 264.9
  },
  "luminance": 0.13548
}

Semantic roles & 50–950 ramp

primary

#2F5DDB

secondary

#D8C48D

accent

#BD3BED

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #2F5DDB

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

Preview Lab → · Contrast checker → · Palette generator →