#251784#251784

#251784 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.168 H 276.7°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#251784
RGB	rgb(37, 23, 132)
HSL	hsl(248, 70%, 30%)
HSV	hsv(248, 83%, 52%)
CMYK	cmyk(72%, 82.6%, 0%, 48.2%)
CIE-LAB	lab(18.68, 40.74, -57.69)
CIE-LCH	lch(18.68, 70.62, 305.23°)
OKLab	oklab(31.71% 0.0195 -0.1667)
OKLCH	oklch(31.71% 0.168 276.7)
XYZ	xyz(5.2328, 2.6716, 22.0652)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251784 #768417

analogous

#174084 #251784 #5B1784

triadic

#251784 #842517 #178425

tetradic

#251784 #841740 #768417 #17845B

square

#251784 #841740 #768417 #17845B

split-complementary

#251784 #845B17 #408417

monochromatic

#08051C #160E50 #251784 #3420B8 #4E39DC

Accessibility & contrast

On white

13.69

#251784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#251784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251784

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251784	#FFFFFF	#000000	##FFFFFF
##251784	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002982

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #251784;
/* rgb */ color: rgb(37, 23, 132);
/* oklch */ color: oklch(31.7% 0.168 276.7);

Tailwind

colors: {
  custom: {
    50: '#7058a9',
    500: '#251784',
    950: '#000000',
  },
}

SCSS

$custom: #251784;
$custom-light: #7058a9;
$custom-dark: #000000;

JSON

{
  "hex": "#251784",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 132
  },
  "hsl": {
    "h": 247.706,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31706,
    "c": 0.16786,
    "h": 276.7
  },
  "luminance": 0.02672
}

Semantic roles & 50–950 ramp

primary

#251784

secondary

#A9B83F

accent

#ED3BD6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251784

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

Preview Lab → · Contrast checker → · Palette generator →