#251689#251689

#251689 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.175 H 276.1°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#251689
RGB	rgb(37, 22, 137)
HSL	hsl(248, 72%, 31%)
HSV	hsv(248, 84%, 54%)
CMYK	cmyk(73%, 83.9%, 0%, 46.3%)
CIE-LAB	lab(19.11, 42.80, -60.12)
CIE-LCH	lch(19.11, 73.80, 305.45°)
OKLab	oklab(32.18% 0.0185 -0.1738)
OKLCH	oklch(32.18% 0.175 276.1)
XYZ	xyz(5.5637, 2.7727, 23.9040)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251689 #7A8916

analogous

#164089 #251689 #5E1689

triadic

#251689 #892516 #168925

tetradic

#251689 #891640 #7A8916 #16895E

square

#251689 #891640 #7A8916 #16895E

split-complementary

#251689 #895E16 #408916

monochromatic

#090520 #170E54 #251689 #331EBE #503ADF

Accessibility & contrast

On white

13.51

#251689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#251689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251689

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251689	#FFFFFF	#000000	##FFFFFF
##251689	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338C

Deuteranopia (green-blind)

#002987

Tritanopia (blue-blind)

#003A51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #251689;
/* rgb */ color: rgb(37, 22, 137);
/* oklch */ color: oklch(32.2% 0.175 276.1);

Tailwind

colors: {
  custom: {
    50: '#7157ad',
    500: '#251689',
    950: '#000000',
  },
}

SCSS

$custom: #251689;
$custom-light: #7157ad;
$custom-dark: #000000;

JSON

{
  "hex": "#251689",
  "rgb": {
    "r": 37,
    "g": 22,
    "b": 137
  },
  "hsl": {
    "h": 247.826,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3218,
    "c": 0.17474,
    "h": 276.1
  },
  "luminance": 0.02773
}

Semantic roles & 50–950 ramp

primary

#251689

secondary

#ACBD3E

accent

#EF39D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251689

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

Preview Lab → · Contrast checker → · Palette generator →