#25197B#25197B

#25197B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.9% C 0.155 H 277.8°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#25197B
RGB	rgb(37, 25, 123)
HSL	hsl(247, 66%, 29%)
HSV	hsv(247, 80%, 48%)
CMYK	cmyk(69.9%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(18.00, 36.77, -53.09)
CIE-LCH	lch(18.00, 64.58, 304.70°)
OKLab	oklab(30.93% 0.021 -0.1534)
OKLCH	oklch(30.93% 0.155 277.8)
XYZ	xyz(4.6846, 2.5182, 18.9742)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25197B #6F7B19

analogous

#193E7B #25197B #56197B

triadic

#25197B #7B2519 #197B25

tetradic

#25197B #7B193E #6F7B19 #197B56

square

#25197B #7B193E #6F7B19 #197B56

split-complementary

#25197B #7B5619 #3E7B19

monochromatic

#080519 #160F48 #25197B #3423AE #4B38D7

Accessibility & contrast

On white

13.96

#25197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#25197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25197B

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25197B	#FFFFFF	#000000	##FFFFFF
##25197B	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #25197b;
/* rgb */ color: rgb(37, 25, 123);
/* oklch */ color: oklch(30.9% 0.155 277.8);

Tailwind

colors: {
  custom: {
    50: '#6d58a2',
    500: '#25197b',
    950: '#000000',
  },
}

SCSS

$custom: #25197b;
$custom-light: #6d58a2;
$custom-dark: #000000;

JSON

{
  "hex": "#25197b",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 247.347,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30928,
    "c": 0.15482,
    "h": 277.8
  },
  "luminance": 0.02519
}

Semantic roles & 50–950 ramp

primary

#25197B

secondary

#A2AF40

accent

#E93FD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #25197B

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

Preview Lab → · Contrast checker → · Palette generator →