#31687B#31687B

#31687B is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.8% C 0.065 H 223.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#31687B
RGB	rgb(49, 104, 123)
HSL	hsl(195, 43%, 34%)
HSV	hsv(195, 60%, 48%)
CMYK	cmyk(60.2%, 15.4%, 0%, 51.8%)
CIE-LAB	lab(41.19, -12.12, -16.09)
CIE-LCH	lch(41.19, 20.14, 233.01°)
OKLab	oklab(48.81% -0.0475 -0.0447)
OKLCH	oklch(48.81% 0.065 223.3)
XYZ	xyz(9.7907, 11.9827, 20.5320)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31687B #7B4431

analogous

#317B69 #31687B #31437B

triadic

#31687B #7B3168 #687B31

tetradic

#31687B #69317B #7B4431 #437B31

square

#31687B #69317B #7B4431 #437B31

split-complementary

#31687B #7B3143 #7B6931

monochromatic

#0E1E23 #20434F #31687B #428DA7 #65AAC2

Accessibility & contrast

On white

6.18

#31687B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#31687B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31687B

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31687B	#FFFFFF	#000000	##FFFFFF
##31687B	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D667C

Deuteranopia (green-blind)

#525E7B

Tritanopia (blue-blind)

#006E6E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #31687b;
/* rgb */ color: rgb(49, 104, 123);
/* oklch */ color: oklch(48.8% 0.065 223.3);

Tailwind

colors: {
  custom: {
    50: '#7093a1',
    500: '#31687b',
    950: '#000000',
  },
}

SCSS

$custom: #31687b;
$custom-light: #7093a1;
$custom-dark: #000000;

JSON

{
  "hex": "#31687b",
  "rgb": {
    "r": 49,
    "g": 104,
    "b": 123
  },
  "hsl": {
    "h": 195.405,
    "s": 43.023,
    "l": 33.725
  },
  "oklch": {
    "l": 0.48811,
    "c": 0.06526,
    "h": 223.3
  },
  "luminance": 0.11984
}

Semantic roles & 50–950 ramp

primary

#31687B

secondary

#A9725F

accent

#7555D3

background

#F7F9F9

surface

#EDF1F2

border

#C8CBCC

text

#080D0F

muted

#7B7E7E

Preview Lab

Preview with #31687B

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

Preview Lab → · Contrast checker → · Palette generator →