#2F5ADB#2F5ADB

#2F5ADB is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 51.9% C 0.203 H 265.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2F5ADB
RGB	rgb(47, 90, 219)
HSL	hsl(225, 70%, 52%)
HSV	hsv(225, 79%, 86%)
CMYK	cmyk(78.5%, 58.9%, 0%, 14.1%)
CIE-LAB	lab(42.81, 31.56, -70.06)
CIE-LCH	lch(42.81, 76.84, 294.25°)
OKLab	oklab(51.87% -0.0158 -0.2025)
OKLCH	oklch(51.87% 0.203 265.5)
XYZ	xyz(17.6101, 13.0291, 68.5908)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5ADB #DBB02F

analogous

#2FB0DB #2F5ADB #5A2FDB

triadic

#2F5ADB #DB2F5A #5ADB2F

tetradic

#2F5ADB #DB2FB0 #DBB02F #2FDB5A

square

#2F5ADB #DB2FB0 #DBB02F #2FDB5A

split-complementary

#2F5ADB #DB5A2F #B0DB2F

monochromatic

#152E7A #1E42AF #2F5ADB #6383E4 #97ADED

Accessibility & contrast

On white

5.82

#2F5ADB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2F5ADB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5ADB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5ADB	#FFFFFF	#000000	##FFFFFF
##2F5ADB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDF

Deuteranopia (green-blind)

#005DD9

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f5adb;
/* rgb */ color: rgb(47, 90, 219);
/* oklch */ color: oklch(51.9% 0.203 265.5);

Tailwind

colors: {
  custom: {
    50: '#8288e7',
    500: '#2f5adb',
    950: '#000000',
  },
}

SCSS

$custom: #2f5adb;
$custom-light: #8288e7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5adb",
  "rgb": {
    "r": 47,
    "g": 90,
    "b": 219
  },
  "hsl": {
    "h": 225,
    "s": 70.492,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51872,
    "c": 0.20311,
    "h": 265.5
  },
  "luminance": 0.13031
}

Semantic roles & 50–950 ramp

primary

#2F5ADB

secondary

#D8C68D

accent

#C13BED

background

#F8F8FE

surface

#F0EFFD

border

#CBCAD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #2F5ADB

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

Preview Lab → · Contrast checker → · Palette generator →