#252FB2#252FB2

#252FB2 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.1% C 0.202 H 270.0°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#252FB2
RGB	rgb(37, 47, 178)
HSL	hsl(236, 66%, 42%)
HSV	hsv(236, 79%, 70%)
CMYK	cmyk(79.2%, 73.6%, 0%, 30.2%)
CIE-LAB	lab(28.48, 42.82, -69.68)
CIE-LCH	lch(28.48, 81.78, 301.57°)
OKLab	oklab(40.13% -0.0002 -0.2018)
OKLCH	oklch(40.13% 0.202 270)
XYZ	xyz(9.8126, 5.6396, 42.6822)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252FB2 #B2A825

analogous

#2575B2 #252FB2 #6225B2

triadic

#252FB2 #B2252F #2FB225

tetradic

#252FB2 #B22575 #B2A825 #25B262

square

#252FB2 #B22575 #B2A825 #25B262

split-complementary

#252FB2 #B26225 #75B225

monochromatic

#10144D #1A227F #252FB2 #3D48D7 #7078E1

Accessibility & contrast

On white

9.87

#252FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#252FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252FB2

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252FB2	#FFFFFF	#000000	##FFFFFF
##252FB2	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB6

Deuteranopia (green-blind)

#003CB0

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #252fb2;
/* rgb */ color: rgb(37, 47, 178);
/* oklch */ color: oklch(40.1% 0.202 270.0);

Tailwind

colors: {
  custom: {
    50: '#7969ca',
    500: '#252fb2',
    950: '#000000',
  },
}

SCSS

$custom: #252fb2;
$custom-light: #7969ca;
$custom-dark: #000000;

JSON

{
  "hex": "#252fb2",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 178
  },
  "hsl": {
    "h": 235.745,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40134,
    "c": 0.20181,
    "h": 270
  },
  "luminance": 0.05641
}

Semantic roles & 50–950 ramp

primary

#252FB2

secondary

#C8C16B

accent

#DD3FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252FB2

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

Preview Lab → · Contrast checker → · Palette generator →