#31238F#31238F

#31238F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.167 H 279.4°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#31238F
RGB	rgb(49, 35, 143)
HSL	hsl(248, 61%, 35%)
HSV	hsv(248, 76%, 56%)
CMYK	cmyk(65.7%, 75.5%, 0%, 43.9%)
CIE-LAB	lab(23.13, 39.16, -57.19)
CIE-LCH	lch(23.13, 69.31, 304.40°)
OKLab	oklab(35.44% 0.0274 -0.1651)
OKLCH	oklch(35.44% 0.167 279.4)
XYZ	xyz(6.8240, 3.8377, 26.3624)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31238F #818F23

analogous

#234B8F #31238F #67238F

triadic

#31238F #8F3123 #238F31

tetradic

#31238F #8F234B #818F23 #238F67

square

#31238F #8F234B #818F23 #238F67

split-complementary

#31238F #8F6723 #4B8F23

monochromatic

#0F0B2D #20175E #31238F #422FC0 #6757D6

Accessibility & contrast

On white

11.88

#31238F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#31238F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31238F

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31238F	#FFFFFF	#000000	##FFFFFF
##31238F	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #31238f;
/* rgb */ color: rgb(49, 35, 143);
/* oklch */ color: oklch(35.4% 0.167 279.4);

Tailwind

colors: {
  custom: {
    50: '#7660b1',
    500: '#31238f',
    950: '#000000',
  },
}

SCSS

$custom: #31238f;
$custom-light: #7660b1;
$custom-dark: #000000;

JSON

{
  "hex": "#31238f",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 143
  },
  "hsl": {
    "h": 247.778,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35438,
    "c": 0.16734,
    "h": 279.4
  },
  "luminance": 0.03838
}

Semantic roles & 50–950 ramp

primary

#31238F

secondary

#ADBA54

accent

#E444CF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #31238F

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

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