#1D688B#1D688B

#1D688B is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.9% C 0.090 H 233.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D688B
RGB	rgb(29, 104, 139)
HSL	hsl(199, 65%, 33%)
HSV	hsv(199, 79%, 55%)
CMYK	cmyk(79.1%, 25.2%, 0%, 45.5%)
CIE-LAB	lab(41.26, -9.84, -25.70)
CIE-LCH	lch(41.26, 27.52, 249.04°)
OKLab	oklab(48.92% -0.0533 -0.0724)
OKLCH	oklch(48.92% 0.09 233.6)
XYZ	xyz(10.1153, 12.0247, 26.2090)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D688B #8B401D

analogous

#1D8B77 #1D688B #1D318B

triadic

#1D688B #8B1D68 #688B1D

tetradic

#1D688B #771D8B #8B401D #318B1D

square

#1D688B #771D8B #8B401D #318B1D

split-complementary

#1D688B #8B1D31 #8B771D

monochromatic

#081C26 #124258 #1D688B #288EBE #49ABD9

Accessibility & contrast

On white

6.17

#1D688B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#1D688B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D688B

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D688B	#FFFFFF	#000000	##FFFFFF
##1D688B	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57678D

Deuteranopia (green-blind)

#485D8A

Tritanopia (blue-blind)

#007174

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1d688b;
/* rgb */ color: rgb(29, 104, 139);
/* oklch */ color: oklch(48.9% 0.090 233.6);

Tailwind

colors: {
  custom: {
    50: '#6b93ad',
    500: '#1d688b',
    950: '#000000',
  },
}

SCSS

$custom: #1d688b;
$custom-light: #6b93ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d688b",
  "rgb": {
    "r": 29,
    "g": 104,
    "b": 139
  },
  "hsl": {
    "h": 199.091,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.48916,
    "c": 0.08992,
    "h": 233.6
  },
  "luminance": 0.12026
}

Semantic roles & 50–950 ramp

primary

#1D688B

secondary

#BB6D49

accent

#753FE8

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #1D688B

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

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