#31407F#31407F

#31407F is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.4% C 0.107 H 270.7°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#31407F
RGB	rgb(49, 64, 127)
HSL	hsl(228, 44%, 35%)
HSV	hsv(228, 61%, 50%)
CMYK	cmyk(61.4%, 49.6%, 0%, 50.2%)
CIE-LAB	lab(29.03, 14.76, -37.61)
CIE-LCH	lch(29.03, 40.40, 291.43°)
OKLab	oklab(39.37% 0.0013 -0.1074)
OKLCH	oklch(39.37% 0.107 270.7)
XYZ	xyz(6.9295, 5.8515, 20.8388)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31407F #7F7031

analogous

#31677F #31407F #49317F

triadic

#31407F #7F3140 #407F31

tetradic

#31407F #7F3167 #7F7031 #317F49

square

#31407F #7F3167 #7F7031 #317F49

split-complementary

#31407F #7F4931 #677F31

monochromatic

#0F1327 #202A53 #31407F #4256AB #6678C4

Accessibility & contrast

On white

9.68

#31407F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#31407F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31407F

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31407F	#FFFFFF	#000000	##FFFFFF
##31407F	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214881

Deuteranopia (green-blind)

#14417E

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #31407f;
/* rgb */ color: rgb(49, 64, 127);
/* oklch */ color: oklch(39.4% 0.107 270.7);

Tailwind

colors: {
  custom: {
    50: '#7174a4',
    500: '#31407f',
    950: '#000000',
  },
}

SCSS

$custom: #31407f;
$custom-light: #7174a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31407f",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 127
  },
  "hsl": {
    "h": 228.462,
    "s": 44.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39369,
    "c": 0.10745,
    "h": 270.7
  },
  "luminance": 0.05852
}

Semantic roles & 50–950 ramp

primary

#31407F

secondary

#AB9D60

accent

#BB54D4

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #31407F

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

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