#1C5B91#1C5B91

#1C5B91 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.0% C 0.108 H 248.7°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C5B91
RGB	rgb(28, 91, 145)
HSL	hsl(208, 68%, 34%)
HSV	hsv(208, 81%, 57%)
CMYK	cmyk(80.7%, 37.2%, 0%, 43.1%)
CIE-LAB	lab(37.43, 0.34, -35.33)
CIE-LCH	lch(37.43, 35.33, 270.54°)
OKLab	oklab(45.98% -0.0392 -0.1007)
OKLCH	oklch(45.98% 0.108 248.7)
XYZ	xyz(9.3289, 9.7723, 28.1771)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5B91 #91521C

analogous

#1C918D #1C5B91 #1C2191

triadic

#1C5B91 #911C5B #5B911C

tetradic

#1C5B91 #8D1C91 #91521C #21911C

square

#1C5B91 #8D1C91 #91521C #21911C

split-complementary

#1C5B91 #911C21 #918D1C

monochromatic

#081B2A #123B5E #1C5B91 #267BC4 #4B99DC

Accessibility & contrast

On white

7.11

#1C5B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1C5B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B91

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5B91	#FFFFFF	#000000	##FFFFFF
##1C5B91	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	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: #1c5b91;
/* rgb */ color: rgb(28, 91, 145);
/* oklch */ color: oklch(46.0% 0.108 248.7);

Tailwind

colors: {
  custom: {
    50: '#6b89b1',
    500: '#1c5b91',
    950: '#000000',
  },
}

SCSS

$custom: #1c5b91;
$custom-light: #6b89b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5b91",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 145
  },
  "hsl": {
    "h": 207.692,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45983,
    "c": 0.10801,
    "h": 248.7
  },
  "luminance": 0.09773
}

Semantic roles & 50–950 ramp

primary

#1C5B91

secondary

#BE804A

accent

#8D3DEB

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#080B11

muted

#7A7C80

Preview Lab

Preview with #1C5B91

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

Preview Lab → · Contrast checker → · Palette generator →