#1D738C#1D738C

#1D738C is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.087 H 222.2°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D738C
RGB	rgb(29, 115, 140)
HSL	hsl(194, 66%, 33%)
HSV	hsv(194, 79%, 55%)
CMYK	cmyk(79.3%, 17.9%, 0%, 45.1%)
CIE-LAB	lab(44.82, -15.81, -20.77)
CIE-LCH	lch(44.82, 26.10, 232.73°)
OKLab	oklab(51.78% -0.0641 -0.0582)
OKLCH	oklch(51.78% 0.087 222.2)
XYZ	xyz(11.3691, 14.4147, 26.9890)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D738C #8C361D

analogous

#1D8C6D #1D738C #1D3B8C

triadic

#1D738C #8C1D73 #738C1D

tetradic

#1D738C #6D1D8C #8C361D #3B8C1D

square

#1D738C #6D1D8C #8C361D #3B8C1D

split-complementary

#1D738C #8C1D3B #8C6D1D

monochromatic

#082027 #124959 #1D738C #289DBF #4AB9D9

Accessibility & contrast

On white

5.41

#1D738C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#1D738C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D738C

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D738C	#FFFFFF	#000000	##FFFFFF
##1D738C	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708D

Deuteranopia (green-blind)

#56658C

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1d738c;
/* rgb */ color: rgb(29, 115, 140);
/* oklch */ color: oklch(51.8% 0.087 222.2);

Tailwind

colors: {
  custom: {
    50: '#6c9bad',
    500: '#1d738c',
    950: '#000000',
  },
}

SCSS

$custom: #1d738c;
$custom-light: #6c9bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d738c",
  "rgb": {
    "r": 29,
    "g": 115,
    "b": 140
  },
  "hsl": {
    "h": 193.514,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.51784,
    "c": 0.08657,
    "h": 222.2
  },
  "luminance": 0.14416
}

Semantic roles & 50–950 ramp

primary

#1D738C

secondary

#BC6349

accent

#653FE9

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1D738C

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

Preview Lab → · Contrast checker → · Palette generator →