#1D5B97#1D5B97

#1D5B97 is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.4% C 0.116 H 251.3°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#1D5B97
RGB	rgb(29, 91, 151)
HSL	hsl(210, 68%, 35%)
HSV	hsv(210, 81%, 59%)
CMYK	cmyk(80.8%, 39.7%, 0%, 40.8%)
CIE-LAB	lab(37.80, 2.81, -38.36)
CIE-LCH	lch(37.80, 38.46, 274.19°)
OKLab	oklab(46.39% -0.037 -0.1095)
OKLCH	oklch(46.39% 0.116 251.3)
XYZ	xyz(9.8316, 9.9766, 30.6797)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5B97 #97591D

analogous

#1D9796 #1D5B97 #1D1E97

triadic

#1D5B97 #971D5B #5B971D

tetradic

#1D5B97 #961D97 #97591D #1E971D

square

#1D5B97 #961D97 #97591D #1E971D

split-complementary

#1D5B97 #971D1E #97961D

monochromatic

#091D30 #133C64 #1D5B97 #277ACA #5198DE

Accessibility & contrast

On white

7.01

#1D5B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#1D5B97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5B97

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5B97	#FFFFFF	#000000	##FFFFFF
##1D5B97	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5F99

Deuteranopia (green-blind)

#2B5496

Tritanopia (blue-blind)

#006971

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1d5b97;
/* rgb */ color: rgb(29, 91, 151);
/* oklch */ color: oklch(46.4% 0.116 251.3);

Tailwind

colors: {
  custom: {
    50: '#6d89b6',
    500: '#1d5b97',
    950: '#000000',
  },
}

SCSS

$custom: #1d5b97;
$custom-light: #6d89b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5b97",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 151
  },
  "hsl": {
    "h": 209.508,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.46392,
    "c": 0.11562,
    "h": 251.3
  },
  "luminance": 0.09978
}

Semantic roles & 50–950 ramp

primary

#1D5B97

secondary

#C0874F

accent

#923DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D5B97

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

Preview Lab → · Contrast checker → · Palette generator →