#1D5B91#1D5B91

#1D5B91 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.0% C 0.108 H 249.0°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D5B91
RGB	rgb(29, 91, 145)
HSL	hsl(208, 67%, 34%)
HSV	hsv(208, 80%, 57%)
CMYK	cmyk(80%, 37.2%, 0%, 43.1%)
CIE-LAB	lab(37.46, 0.45, -35.29)
CIE-LCH	lch(37.46, 35.29, 270.73°)
OKLab	oklab(46.01% -0.0386 -0.1005)
OKLCH	oklch(46.01% 0.108 249)
XYZ	xyz(9.3567, 9.7866, 28.1784)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5B91 #91531D

analogous

#1D918D #1D5B91 #1D2191

triadic

#1D5B91 #911D5B #5B911D

tetradic

#1D5B91 #8D1D91 #91531D #21911D

square

#1D5B91 #8D1D91 #91531D #21911D

split-complementary

#1D5B91 #911D21 #918D1D

monochromatic

#091B2B #133B5E #1D5B91 #277BC4 #4D99DB

Accessibility & contrast

On white

7.10

#1D5B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1D5B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5B91

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5B91	#FFFFFF	#000000	##FFFFFF
##1D5B91	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425E93

Deuteranopia (green-blind)

#305390

Tritanopia (blue-blind)

#00686F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d5b91;
/* rgb */ color: rgb(29, 91, 145);
/* oklch */ color: oklch(46.0% 0.108 249.0);

Tailwind

colors: {
  custom: {
    50: '#6c89b1',
    500: '#1d5b91',
    950: '#000000',
  },
}

SCSS

$custom: #1d5b91;
$custom-light: #6c89b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5b91",
  "rgb": {
    "r": 29,
    "g": 91,
    "b": 145
  },
  "hsl": {
    "h": 207.931,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.46011,
    "c": 0.10769,
    "h": 249
  },
  "luminance": 0.09788
}

Semantic roles & 50–950 ramp

primary

#1D5B91

secondary

#BE814C

accent

#8E3EEA

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D5B91

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

Preview Lab → · Contrast checker → · Palette generator →