#31587F#31587F

#31587F is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.078 H 249.9°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#31587F
RGB	rgb(49, 88, 127)
HSL	hsl(210, 44%, 35%)
HSV	hsv(210, 61%, 50%)
CMYK	cmyk(61.4%, 30.7%, 0%, 50.2%)
CIE-LAB	lab(36.30, -1.08, -26.10)
CIE-LCH	lch(36.30, 26.12, 267.64°)
OKLab	oklab(44.99% -0.0268 -0.0735)
OKLCH	oklch(44.99% 0.078 249.9)
XYZ	xyz(8.5857, 9.1639, 21.3909)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31587F #7F5831

analogous

#317F7F #31587F #31317F

triadic

#31587F #7F3158 #587F31

tetradic

#31587F #7F317F #7F5831 #317F31

square

#31587F #7F317F #7F5831 #317F31

split-complementary

#31587F #7F3131 #7F7F31

monochromatic

#0F1B27 #203953 #31587F #4277AB #6695C4

Accessibility & contrast

On white

7.41

#31587F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#31587F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31587F

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31587F	#FFFFFF	#000000	##FFFFFF
##31587F	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485A81

Deuteranopia (green-blind)

#3D527E

Tritanopia (blue-blind)

#006166

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #31587f;
/* rgb */ color: rgb(49, 88, 127);
/* oklch */ color: oklch(45.0% 0.078 249.9);

Tailwind

colors: {
  custom: {
    50: '#7086a4',
    500: '#31587f',
    950: '#000000',
  },
}

SCSS

$custom: #31587f;
$custom-light: #7086a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31587f",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 127
  },
  "hsl": {
    "h": 210,
    "s": 44.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44993,
    "c": 0.07825,
    "h": 249.9
  },
  "luminance": 0.09165
}

Semantic roles & 50–950 ramp

primary

#31587F

secondary

#AB8660

accent

#9454D4

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #31587F

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

Preview Lab → · Contrast checker → · Palette generator →