#25339B#25339B

#25339B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.168 H 270.1°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#25339B
RGB	rgb(37, 51, 155)
HSL	hsl(233, 61%, 38%)
HSV	hsv(233, 76%, 61%)
CMYK	cmyk(76.1%, 67.1%, 0%, 39.2%)
CIE-LAB	lab(27.09, 32.10, -58.09)
CIE-LCH	lch(27.09, 66.37, 298.93°)
OKLab	oklab(38.44% 0.0004 -0.168)
OKLCH	oklch(38.44% 0.168 270.1)
XYZ	xyz(7.8611, 5.1267, 31.5792)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25339B #9B8D25

analogous

#256E9B #25339B #52259B

triadic

#25339B #9B2533 #339B25

tetradic

#25339B #9B256E #9B8D25 #259B52

square

#25339B #9B256E #9B8D25 #259B52

split-complementary

#25339B #9B5225 #6E9B25

monochromatic

#0D1238 #19236A #25339B #3143CC #616FD9

Accessibility & contrast

On white

10.37

#25339B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#25339B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25339B

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25339B	#FFFFFF	#000000	##FFFFFF
##25339B	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#003A99

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #25339b;
/* rgb */ color: rgb(37, 51, 155);
/* oklch */ color: oklch(38.4% 0.168 270.1);

Tailwind

colors: {
  custom: {
    50: '#736bb9',
    500: '#25339b',
    950: '#000000',
  },
}

SCSS

$custom: #25339b;
$custom-light: #736bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#25339b",
  "rgb": {
    "r": 37,
    "g": 51,
    "b": 155
  },
  "hsl": {
    "h": 232.881,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38437,
    "c": 0.16803,
    "h": 270.1
  },
  "luminance": 0.05128
}

Semantic roles & 50–950 ramp

primary

#25339B

secondary

#BFB35D

accent

#D143E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #25339B

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

Preview Lab → · Contrast checker → · Palette generator →