#31789B#31789B

#31789B is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.3% C 0.089 H 233.2°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#31789B
RGB	rgb(49, 120, 155)
HSL	hsl(200, 52%, 40%)
HSV	hsv(200, 68%, 61%)
CMYK	cmyk(68.4%, 22.6%, 0%, 39.2%)
CIE-LAB	lab(47.56, -10.56, -25.36)
CIE-LCH	lch(47.56, 27.47, 247.40°)
OKLab	oklab(54.33% -0.0531 -0.0711)
OKLCH	oklch(54.33% 0.089 233.2)
XYZ	xyz(13.8972, 16.4510, 33.4469)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31789B #9B5431

analogous

#319B89 #31789B #31439B

triadic

#31789B #9B3178 #789B31

tetradic

#31789B #89319B #9B5431 #439B31

square

#31789B #89319B #9B5431 #439B31

split-complementary

#31789B #9B3143 #9B8931

monochromatic

#14303E #22546D #31789B #459AC4 #73B3D3

Accessibility & contrast

On white

4.89

#31789B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#31789B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31789B

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31789B	#FFFFFF	#000000	##FFFFFF
##31789B	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67779D

Deuteranopia (green-blind)

#586C9A

Tritanopia (blue-blind)

#008184

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #31789b;
/* rgb */ color: rgb(49, 120, 155);
/* oklch */ color: oklch(54.3% 0.089 233.2);

Tailwind

colors: {
  custom: {
    50: '#769fb8',
    500: '#31789b',
    950: '#000000',
  },
}

SCSS

$custom: #31789b;
$custom-light: #769fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#31789b",
  "rgb": {
    "r": 49,
    "g": 120,
    "b": 155
  },
  "hsl": {
    "h": 199.811,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.54333,
    "c": 0.08881,
    "h": 233.2
  },
  "luminance": 0.16452
}

Semantic roles & 50–950 ramp

primary

#31789B

secondary

#BB876D

accent

#7C4CDB

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #31789B

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

Preview Lab → · Contrast checker → · Palette generator →