#31258F#31258F

#31258F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.165 H 279.1°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#31258F
RGB	rgb(49, 37, 143)
HSL	hsl(247, 59%, 35%)
HSV	hsv(247, 74%, 56%)
CMYK	cmyk(65.7%, 74.1%, 0%, 43.9%)
CIE-LAB	lab(23.53, 38.02, -56.52)
CIE-LCH	lch(23.53, 68.12, 303.92°)
OKLab	oklab(35.73% 0.026 -0.1631)
OKLCH	oklch(35.73% 0.165 279.1)
XYZ	xyz(6.8845, 3.9587, 26.3826)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31258F #838F25

analogous

#254E8F #31258F #66258F

triadic

#31258F #8F3125 #258F31

tetradic

#31258F #8F254E #838F25 #258F66

square

#31258F #8F254E #838F25 #258F66

split-complementary

#31258F #8F6625 #4E8F25

monochromatic

#100C2E #20185E #31258F #4232C0 #685AD4

Accessibility & contrast

On white

11.72

#31258F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#31258F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31258F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31258F	#FFFFFF	#000000	##FFFFFF
##31258F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #31258f;
/* rgb */ color: rgb(49, 37, 143);
/* oklch */ color: oklch(35.7% 0.165 279.1);

Tailwind

colors: {
  custom: {
    50: '#7661b1',
    500: '#31258f',
    950: '#000000',
  },
}

SCSS

$custom: #31258f;
$custom-light: #7661b1;
$custom-dark: #000000;

JSON

{
  "hex": "#31258f",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 143
  },
  "hsl": {
    "h": 246.792,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35726,
    "c": 0.1652,
    "h": 279.1
  },
  "luminance": 0.03959
}

Semantic roles & 50–950 ramp

primary

#31258F

secondary

#AEB957

accent

#E246D0

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #31258F

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

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