#25289E#25289E

#25289E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.9% C 0.184 H 271.8°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#25289E
RGB	rgb(37, 40, 158)
HSL	hsl(239, 62%, 38%)
HSV	hsv(239, 77%, 62%)
CMYK	cmyk(76.6%, 74.7%, 0%, 38%)
CIE-LAB	lab(24.89, 40.03, -63.55)
CIE-LCH	lch(24.89, 75.11, 302.21°)
OKLab	oklab(36.94% 0.0059 -0.184)
OKLCH	oklch(36.94% 0.184 271.8)
XYZ	xyz(7.6912, 4.3787, 32.7809)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25289E #9E9B25

analogous

#25659E #25289E #5E259E

triadic

#25289E #9E2528 #289E25

tetradic

#25289E #9E2565 #9E9B25 #259E5E

square

#25289E #9E2565 #9E9B25 #259E5E

split-complementary

#25289E #9E5E25 #659E25

monochromatic

#0E0F3B #191B6C #25289E #3135CF #6366DA

Accessibility & contrast

On white

11.19

#25289E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#25289E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25289E

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25289E	#FFFFFF	#000000	##FFFFFF
##25289E	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #25289e;
/* rgb */ color: rgb(37, 40, 158);
/* oklch */ color: oklch(36.9% 0.184 271.8);

Tailwind

colors: {
  custom: {
    50: '#7563bc',
    500: '#25289e',
    950: '#000000',
  },
}

SCSS

$custom: #25289e;
$custom-light: #7563bc;
$custom-dark: #000000;

JSON

{
  "hex": "#25289e",
  "rgb": {
    "r": 37,
    "g": 40,
    "b": 158
  },
  "hsl": {
    "h": 238.512,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36937,
    "c": 0.18405,
    "h": 271.8
  },
  "luminance": 0.0438
}

Semantic roles & 50–950 ramp

primary

#25289E

secondary

#C0BD5F

accent

#E143E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #25289E

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

Preview Lab → · Contrast checker → · Palette generator →