#231774#231774

#231774 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.148 H 278.2°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#231774
RGB	rgb(35, 23, 116)
HSL	hsl(248, 67%, 27%)
HSV	hsv(248, 80%, 45%)
CMYK	cmyk(69.8%, 80.2%, 0%, 54.5%)
CIE-LAB	lab(16.65, 35.33, -50.82)
CIE-LCH	lch(16.65, 61.90, 304.80°)
OKLab	oklab(29.71% 0.0211 -0.1468)
OKLCH	oklch(29.71% 0.148 278.2)
XYZ	xyz(4.1509, 2.2307, 16.7314)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231774 #687417

analogous

#173A74 #231774 #521774

triadic

#231774 #742317 #177423

tetradic

#231774 #74173A #687417 #177452

square

#231774 #74173A #687417 #177452

split-complementary

#231774 #745217 #3A7417

monochromatic

#08051A #140D41 #231774 #3221A7 #4530D6

Accessibility & contrast

On white

14.52

#231774 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#231774 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231774

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231774	#FFFFFF	#000000	##FFFFFF
##231774	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D77

Deuteranopia (green-blind)

#002572

Tritanopia (blue-blind)

#003245

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231774;
/* rgb */ color: rgb(35, 23, 116);
/* oklch */ color: oklch(29.7% 0.148 278.2);

Tailwind

colors: {
  custom: {
    50: '#6b569d',
    500: '#231774',
    950: '#000000',
  },
}

SCSS

$custom: #231774;
$custom-light: #6b569d;
$custom-dark: #000000;

JSON

{
  "hex": "#231774",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 116
  },
  "hsl": {
    "h": 247.742,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29705,
    "c": 0.14832,
    "h": 278.2
  },
  "luminance": 0.02231
}

Semantic roles & 50–950 ramp

primary

#231774

secondary

#9BA93D

accent

#EA3ED4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030E

muted

#7A787E

Preview Lab

Preview with #231774

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

Preview Lab → · Contrast checker → · Palette generator →