#1D738D#1D738D

#1D738D is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.087 H 223.1°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D738D
RGB	rgb(29, 115, 141)
HSL	hsl(194, 66%, 33%)
HSV	hsv(194, 79%, 55%)
CMYK	cmyk(79.4%, 18.4%, 0%, 44.7%)
CIE-LAB	lab(44.86, -15.45, -21.30)
CIE-LCH	lch(44.86, 26.31, 234.04°)
OKLab	oklab(51.83% -0.0637 -0.0597)
OKLCH	oklch(51.83% 0.087 223.1)
XYZ	xyz(11.4431, 14.4444, 27.3791)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D738D #8D371D

analogous

#1D8D6F #1D738D #1D3B8D

triadic

#1D738D #8D1D73 #738D1D

tetradic

#1D738D #6F1D8D #8D371D #3B8D1D

square

#1D738D #6F1D8D #8D371D #3B8D1D

split-complementary

#1D738D #8D1D3B #8D6F1D

monochromatic

#082027 #134A5A #1D738D #279CC0 #4BB9DA

Accessibility & contrast

On white

5.40

#1D738D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#1D738D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D738D

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D738D	#FFFFFF	#000000	##FFFFFF
##1D738D	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708E

Deuteranopia (green-blind)

#55658D

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1d738d;
/* rgb */ color: rgb(29, 115, 141);
/* oklch */ color: oklch(51.8% 0.087 223.1);

Tailwind

colors: {
  custom: {
    50: '#6c9bae',
    500: '#1d738d',
    950: '#000000',
  },
}

SCSS

$custom: #1d738d;
$custom-light: #6c9bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d738d",
  "rgb": {
    "r": 29,
    "g": 115,
    "b": 141
  },
  "hsl": {
    "h": 193.929,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.51831,
    "c": 0.0873,
    "h": 223.1
  },
  "luminance": 0.14446
}

Semantic roles & 50–950 ramp

primary

#1D738D

secondary

#BC644A

accent

#663FE9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D738D

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

Preview Lab → · Contrast checker → · Palette generator →