#31758B#31758B

#31758B is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.8% C 0.076 H 222.4°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#31758B
RGB	rgb(49, 117, 139)
HSL	hsl(195, 48%, 37%)
HSV	hsv(195, 65%, 55%)
CMYK	cmyk(64.7%, 15.8%, 0%, 45.5%)
CIE-LAB	lab(45.96, -14.25, -18.38)
CIE-LCH	lch(45.96, 23.26, 232.21°)
OKLab	oklab(52.84% -0.0561 -0.0512)
OKLCH	oklch(52.84% 0.076 222.4)
XYZ	xyz(12.2862, 15.2384, 26.7149)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31758B #8B4731

analogous

#318B74 #31758B #31488B

triadic

#31758B #8B3175 #758B31

tetradic

#31758B #74318B #8B4731 #488B31

square

#31758B #74318B #8B4731 #488B31

split-complementary

#31758B #8B3148 #8B7431

monochromatic

#112931 #214F5E #31758B #419BB8 #6BB4CB

Accessibility & contrast

On white

5.19

#31758B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#31758B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31758B

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31758B	#FFFFFF	#000000	##FFFFFF
##31758B	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68728C

Deuteranopia (green-blind)

#5B698B

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #31758b;
/* rgb */ color: rgb(49, 117, 139);
/* oklch */ color: oklch(52.8% 0.076 222.4);

Tailwind

colors: {
  custom: {
    50: '#739cad',
    500: '#31758b',
    950: '#000000',
  },
}

SCSS

$custom: #31758b;
$custom-light: #739cad;
$custom-dark: #000000;

JSON

{
  "hex": "#31758b",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 139
  },
  "hsl": {
    "h": 194.667,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.52836,
    "c": 0.07593,
    "h": 222.4
  },
  "luminance": 0.1524
}

Semantic roles & 50–950 ramp

primary

#31758B

secondary

#B27865

accent

#7150D7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #31758B

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

Preview Lab → · Contrast checker → · Palette generator →