#1D5C99#1D5C99

#1D5C99 is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.8% C 0.117 H 251.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D5C99
RGB	rgb(29, 92, 153)
HSL	hsl(210, 68%, 36%)
HSV	hsv(210, 81%, 60%)
CMYK	cmyk(81%, 39.9%, 0%, 40%)
CIE-LAB	lab(38.22, 2.96, -38.89)
CIE-LCH	lch(38.22, 39.00, 274.35°)
OKLab	oklab(46.76% -0.0374 -0.111)
OKLCH	oklch(46.76% 0.117 251.4)
XYZ	xyz(10.0814, 10.2142, 31.5710)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5C99 #995A1D

analogous

#1D9998 #1D5C99 #1D1E99

triadic

#1D5C99 #991D5C #5C991D

tetradic

#1D5C99 #981D99 #995A1D #1E991D

square

#1D5C99 #981D99 #995A1D #1E991D

split-complementary

#1D5C99 #991D1E #99981D

monochromatic

#091E32 #133D66 #1D5C99 #277BCC #5299DE

Accessibility & contrast

On white

6.90

#1D5C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#1D5C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5C99

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5C99	#FFFFFF	#000000	##FFFFFF
##1D5C99	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F609B

Deuteranopia (green-blind)

#2B5598

Tritanopia (blue-blind)

#006B73

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1d5c99;
/* rgb */ color: rgb(29, 92, 153);
/* oklch */ color: oklch(46.8% 0.117 251.4);

Tailwind

colors: {
  custom: {
    50: '#6d89b7',
    500: '#1d5c99',
    950: '#000000',
  },
}

SCSS

$custom: #1d5c99;
$custom-light: #6d89b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5c99",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 153
  },
  "hsl": {
    "h": 209.516,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.46761,
    "c": 0.11719,
    "h": 251.4
  },
  "luminance": 0.10215
}

Semantic roles & 50–950 ramp

primary

#1D5C99

secondary

#C18851

accent

#923DEB

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D5C99

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

Preview Lab → · Contrast checker → · Palette generator →