#25399C#25399C

#25399C is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.162 H 268.8°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#25399C
RGB	rgb(37, 57, 156)
HSL	hsl(230, 62%, 38%)
HSV	hsv(230, 76%, 61%)
CMYK	cmyk(76.3%, 63.5%, 0%, 38.8%)
CIE-LAB	lab(28.69, 28.52, -56.08)
CIE-LCH	lch(28.69, 62.91, 296.95°)
OKLab	oklab(39.64% -0.0035 -0.1621)
OKLCH	oklch(39.64% 0.162 268.8)
XYZ	xyz(8.2248, 5.7190, 32.1165)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25399C #9C8825

analogous

#25749C #25399C #4C259C

triadic

#25399C #9C2539 #399C25

tetradic

#25399C #9C2574 #9C8825 #259C4C

square

#25399C #9C2574 #9C8825 #259C4C

split-complementary

#25399C #9C4C25 #749C25

monochromatic

#0E1539 #19276B #25399C #314BCD #6276DA

Accessibility & contrast

On white

9.79

#25399C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#25399C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25399C

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25399C	#FFFFFF	#000000	##FFFFFF
##25399C	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #25399c;
/* rgb */ color: rgb(37, 57, 156);
/* oklch */ color: oklch(39.6% 0.162 268.8);

Tailwind

colors: {
  custom: {
    50: '#726fba',
    500: '#25399c',
    950: '#000000',
  },
}

SCSS

$custom: #25399c;
$custom-light: #726fba;
$custom-dark: #000000;

JSON

{
  "hex": "#25399c",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 156
  },
  "hsl": {
    "h": 229.916,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.3964,
    "c": 0.16213,
    "h": 268.8
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary

#25399C

secondary

#BFAF5E

accent

#CA43E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #25399C

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

Preview Lab → · Contrast checker → · Palette generator →