#252D91#252D91

#252D91 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.4% C 0.162 H 271.8°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#252D91
RGB	rgb(37, 45, 145)
HSL	hsl(236, 59%, 36%)
HSV	hsv(236, 74%, 57%)
CMYK	cmyk(74.5%, 69%, 0%, 43.1%)
CIE-LAB	lab(24.68, 32.32, -55.90)
CIE-LCH	lch(24.68, 64.57, 300.03°)
OKLab	oklab(36.39% 0.005 -0.1617)
OKLCH	oklch(36.39% 0.162 271.8)
XYZ	xyz(6.8104, 4.3137, 27.2563)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D91 #918925

analogous

#256391 #252D91 #532591

triadic

#252D91 #91252D #2D9125

tetradic

#252D91 #912563 #918925 #259153

square

#252D91 #912563 #918925 #259153

split-complementary

#252D91 #915325 #639125

monochromatic

#0C0F2F #191E60 #252D91 #313CC2 #5B64D5

Accessibility & contrast

On white

11.27

#252D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#252D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D91

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D91	#FFFFFF	#000000	##FFFFFF
##252D91	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004094

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#00485B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #252d91;
/* rgb */ color: rgb(37, 45, 145);
/* oklch */ color: oklch(36.4% 0.162 271.8);

Tailwind

colors: {
  custom: {
    50: '#7166b2',
    500: '#252d91',
    950: '#000000',
  },
}

SCSS

$custom: #252d91;
$custom-light: #7166b2;
$custom-dark: #000000;

JSON

{
  "hex": "#252d91",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 145
  },
  "hsl": {
    "h": 235.556,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36391,
    "c": 0.16175,
    "h": 271.8
  },
  "luminance": 0.04314
}

Semantic roles & 50–950 ramp

primary

#252D91

secondary

#BAB358

accent

#D745E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #252D91

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

Preview Lab → · Contrast checker → · Palette generator →