#252F9C#252F9C

#252F9C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.174 H 270.9°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#252F9C
RGB	rgb(37, 47, 156)
HSL	hsl(235, 62%, 38%)
HSV	hsv(235, 76%, 61%)
CMYK	cmyk(76.3%, 69.9%, 0%, 38.8%)
CIE-LAB	lab(26.23, 35.04, -60.11)
CIE-LCH	lch(26.23, 69.58, 300.24°)
OKLab	oklab(37.84% 0.0027 -0.1739)
OKLCH	oklch(37.84% 0.174 270.9)
XYZ	xyz(7.7782, 4.8258, 31.9676)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F9C #9C9225

analogous

#256A9C #252F9C #56259C

triadic

#252F9C #9C252F #2F9C25

tetradic

#252F9C #9C256A #9C9225 #259C56

square

#252F9C #9C256A #9C9225 #259C56

split-complementary

#252F9C #9C5625 #6A9C25

monochromatic

#0E1139 #19206B #252F9C #313ECD #626CDA

Accessibility & contrast

On white

10.68

#252F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#252F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F9C

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F9C	#FFFFFF	#000000	##FFFFFF
##252F9C	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449F

Deuteranopia (green-blind)

#00389A

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #252f9c;
/* rgb */ color: rgb(37, 47, 156);
/* oklch */ color: oklch(37.8% 0.174 270.9);

Tailwind

colors: {
  custom: {
    50: '#7368ba',
    500: '#252f9c',
    950: '#000000',
  },
}

SCSS

$custom: #252f9c;
$custom-light: #7368ba;
$custom-dark: #000000;

JSON

{
  "hex": "#252f9c",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 156
  },
  "hsl": {
    "h": 234.958,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37841,
    "c": 0.17397,
    "h": 270.9
  },
  "luminance": 0.04827
}

Semantic roles & 50–950 ramp

primary

#252F9C

secondary

#BFB75E

accent

#D743E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #252F9C

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

Preview Lab → · Contrast checker → · Palette generator →