#1D5CA7#1D5CA7

#1D5CA7 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.7% C 0.136 H 255.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D5CA7
RGB	rgb(29, 92, 167)
HSL	hsl(213, 70%, 38%)
HSV	hsv(213, 83%, 65%)
CMYK	cmyk(82.6%, 44.9%, 0%, 34.5%)
CIE-LAB	lab(39.08, 8.50, -45.88)
CIE-LCH	lch(39.08, 46.66, 280.50°)
OKLab	oklab(47.7% -0.0342 -0.1316)
OKLCH	oklch(47.7% 0.136 255.4)
XYZ	xyz(11.3063, 10.7041, 38.0219)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5CA7 #A7681D

analogous

#1DA1A7 #1D5CA7 #231DA7

triadic

#1D5CA7 #A71D5C #5CA71D

tetradic

#1D5CA7 #A71DA1 #A7681D #1DA723

square

#1D5CA7 #A71DA1 #A7681D #1DA723

split-complementary

#1D5CA7 #A7231D #A1A71D

monochromatic

#0B233F #143F73 #1D5CA7 #2879DA #5C99E3

Accessibility & contrast

On white

6.69

#1D5CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1D5CA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5CA7

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5CA7	#FFFFFF	#000000	##FFFFFF
##1D5CA7	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3563AA

Deuteranopia (green-blind)

#1756A6

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1d5ca7;
/* rgb */ color: rgb(29, 92, 167);
/* oklch */ color: oklch(47.7% 0.136 255.4);

Tailwind

colors: {
  custom: {
    50: '#7189c2',
    500: '#1d5ca7',
    950: '#000000',
  },
}

SCSS

$custom: #1d5ca7;
$custom-light: #7189c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5ca7",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 167
  },
  "hsl": {
    "h": 212.609,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47702,
    "c": 0.13598,
    "h": 255.4
  },
  "luminance": 0.10706
}

Semantic roles & 50–950 ramp

primary

#1D5CA7

secondary

#C79559

accent

#9C3BED

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5CA7

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

Preview Lab → · Contrast checker → · Palette generator →