#31708B#31708B

#31708B is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.6% C 0.077 H 229.1°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#31708B
RGB	rgb(49, 112, 139)
HSL	hsl(198, 48%, 37%)
HSV	hsv(198, 65%, 55%)
CMYK	cmyk(64.7%, 19.4%, 0%, 45.5%)
CIE-LAB	lab(44.38, -11.41, -20.80)
CIE-LCH	lch(44.38, 23.73, 241.26°)
OKLab	oklab(51.58% -0.0504 -0.0581)
OKLCH	oklch(51.58% 0.077 229.1)
XYZ	xyz(11.7192, 14.1042, 26.5259)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31708B #8B4C31

analogous

#318B79 #31708B #31438B

triadic

#31708B #8B3170 #708B31

tetradic

#31708B #79318B #8B4C31 #438B31

square

#31708B #79318B #8B4C31 #438B31

split-complementary

#31708B #8B3143 #8B7931

monochromatic

#112731 #214C5E #31708B #4194B8 #6BAECB

Accessibility & contrast

On white

5.50

#31708B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#31708B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31708B

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31708B	#FFFFFF	#000000	##FFFFFF
##31708B	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626E8C

Deuteranopia (green-blind)

#55658B

Tritanopia (blue-blind)

#007879

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #31708b;
/* rgb */ color: rgb(49, 112, 139);
/* oklch */ color: oklch(51.6% 0.077 229.1);

Tailwind

colors: {
  custom: {
    50: '#7399ad',
    500: '#31708b',
    950: '#000000',
  },
}

SCSS

$custom: #31708b;
$custom-light: #7399ad;
$custom-dark: #000000;

JSON

{
  "hex": "#31708b",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 139
  },
  "hsl": {
    "h": 198,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.51576,
    "c": 0.07694,
    "h": 229.1
  },
  "luminance": 0.14105
}

Semantic roles & 50–950 ramp

primary

#31708B

secondary

#B27C65

accent

#7950D7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #31708B

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

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