#252CB2#252CB2

#252CB2 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.7% C 0.205 H 270.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#252CB2
RGB	rgb(37, 44, 178)
HSL	hsl(237, 66%, 42%)
HSV	hsv(237, 79%, 70%)
CMYK	cmyk(79.2%, 75.3%, 0%, 30.2%)
CIE-LAB	lab(27.87, 44.55, -70.70)
CIE-LCH	lch(27.87, 83.56, 302.22°)
OKLab	oklab(39.69% 0.001 -0.2048)
OKLCH	oklch(39.69% 0.205 270.3)
XYZ	xyz(9.6968, 5.4079, 42.6436)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252CB2 #B2AB25

analogous

#2573B2 #252CB2 #6425B2

triadic

#252CB2 #B2252C #2CB225

tetradic

#252CB2 #B22573 #B2AB25 #25B264

square

#252CB2 #B22573 #B2AB25 #25B264

split-complementary

#252CB2 #B26425 #73B225

monochromatic

#10134D #1A1F7F #252CB2 #3D45D7 #7076E1

Accessibility & contrast

On white

10.09

#252CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#252CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252CB2

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252CB2	#FFFFFF	#000000	##FFFFFF
##252CB2	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003BB0

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #252cb2;
/* rgb */ color: rgb(37, 44, 178);
/* oklch */ color: oklch(39.7% 0.205 270.3);

Tailwind

colors: {
  custom: {
    50: '#7967ca',
    500: '#252cb2',
    950: '#000000',
  },
}

SCSS

$custom: #252cb2;
$custom-light: #7967ca;
$custom-dark: #000000;

JSON

{
  "hex": "#252cb2",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 178
  },
  "hsl": {
    "h": 237.021,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39694,
    "c": 0.20476,
    "h": 270.3
  },
  "luminance": 0.05409
}

Semantic roles & 50–950 ramp

primary

#252CB2

secondary

#C8C36B

accent

#E03FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252CB2

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

Preview Lab → · Contrast checker → · Palette generator →