#31789C#31789C

#31789C is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.4% C 0.090 H 234.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#31789C
RGB	rgb(49, 120, 156)
HSL	hsl(200, 52%, 40%)
HSV	hsv(200, 69%, 61%)
CMYK	cmyk(68.6%, 23.1%, 0%, 38.8%)
CIE-LAB	lab(47.60, -10.21, -25.88)
CIE-LCH	lch(47.60, 27.82, 248.46°)
OKLab	oklab(54.38% -0.0528 -0.0727)
OKLCH	oklch(54.38% 0.09 234)
XYZ	xyz(13.9815, 16.4847, 33.8911)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31789C #9C5531

analogous

#319C8A #31789C #31429C

triadic

#31789C #9C3178 #789C31

tetradic

#31789C #8A319C #9C5531 #429C31

square

#31789C #8A319C #9C5531 #429C31

split-complementary

#31789C #9C3142 #9C8A31

monochromatic

#14303F #22546D #31789C #459AC5 #74B3D3

Accessibility & contrast

On white

4.89

#31789C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#31789C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31789C

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31789C	#FFFFFF	#000000	##FFFFFF
##31789C	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67779E

Deuteranopia (green-blind)

#586C9B

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #31789c;
/* rgb */ color: rgb(49, 120, 156);
/* oklch */ color: oklch(54.4% 0.090 234.0);

Tailwind

colors: {
  custom: {
    50: '#769fb9',
    500: '#31789c',
    950: '#000000',
  },
}

SCSS

$custom: #31789c;
$custom-light: #769fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#31789c",
  "rgb": {
    "r": 49,
    "g": 120,
    "b": 156
  },
  "hsl": {
    "h": 200.187,
    "s": 52.195,
    "l": 40.196
  },
  "oklch": {
    "l": 0.54382,
    "c": 0.0898,
    "h": 234
  },
  "luminance": 0.16486
}

Semantic roles & 50–950 ramp

primary

#31789C

secondary

#BB886D

accent

#7C4CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #31789C

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

Preview Lab → · Contrast checker → · Palette generator →