#1F688F#1F688F

#1F688F is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.2% C 0.093 H 237.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F688F
RGB	rgb(31, 104, 143)
HSL	hsl(201, 64%, 34%)
HSV	hsv(201, 78%, 56%)
CMYK	cmyk(78.3%, 27.3%, 0%, 43.9%)
CIE-LAB	lab(41.49, -8.11, -27.73)
CIE-LCH	lch(41.49, 28.89, 253.69°)
OKLab	oklab(49.18% -0.0509 -0.0783)
OKLCH	oklch(49.18% 0.093 237)
XYZ	xyz(10.4713, 12.1739, 27.7792)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F688F #8F461F

analogous

#1F8F7E #1F688F #1F308F

triadic

#1F688F #8F1F68 #688F1F

tetradic

#1F688F #7E1F8F #8F461F #308F1F

square

#1F688F #7E1F8F #8F461F #308F1F

split-complementary

#1F688F #8F1F30 #8F7E1F

monochromatic

#091F2A #14435D #1F688F #2A8DC1 #4FA9D9

Accessibility & contrast

On white

6.11

#1F688F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#1F688F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F688F

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F688F	#FFFFFF	#000000	##FFFFFF
##1F688F	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556891

Deuteranopia (green-blind)

#465D8E

Tritanopia (blue-blind)

#007275

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #1f688f;
/* rgb */ color: rgb(31, 104, 143);
/* oklch */ color: oklch(49.2% 0.093 237.0);

Tailwind

colors: {
  custom: {
    50: '#6c93b0',
    500: '#1f688f',
    950: '#000000',
  },
}

SCSS

$custom: #1f688f;
$custom-light: #6c93b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f688f",
  "rgb": {
    "r": 31,
    "g": 104,
    "b": 143
  },
  "hsl": {
    "h": 200.893,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.4918,
    "c": 0.09338,
    "h": 237
  },
  "luminance": 0.12175
}

Semantic roles & 50–950 ramp

primary

#1F688F

secondary

#BC744E

accent

#7B40E7

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #1F688F

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

Preview Lab → · Contrast checker → · Palette generator →