#1C5B89#1C5B89

#1C5B89 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.5% C 0.098 H 244.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#1C5B89
RGB	rgb(28, 91, 137)
HSL	hsl(205, 66%, 32%)
HSV	hsv(205, 80%, 54%)
CMYK	cmyk(79.6%, 33.6%, 0%, 46.3%)
CIE-LAB	lab(36.99, -2.79, -31.17)
CIE-LCH	lch(36.99, 31.29, 264.88°)
OKLab	oklab(45.5% -0.0415 -0.0885)
OKLCH	oklch(45.5% 0.098 244.8)
XYZ	xyz(8.7336, 9.5341, 25.0420)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5B89 #894A1C

analogous

#1C8981 #1C5B89 #1C2489

triadic

#1C5B89 #891C5B #5B891C

tetradic

#1C5B89 #811C89 #894A1C #24891C

square

#1C5B89 #811C89 #894A1C #24891C

split-complementary

#1C5B89 #891C24 #89811C

monochromatic

#071723 #123956 #1C5B89 #267DBC #469BD9

Accessibility & contrast

On white

7.22

#1C5B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1C5B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B89

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5B89	#FFFFFF	#000000	##FFFFFF
##1C5B89	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465D8B

Deuteranopia (green-blind)

#365388

Tritanopia (blue-blind)

#00666B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c5b89;
/* rgb */ color: rgb(28, 91, 137);
/* oklch */ color: oklch(45.5% 0.098 244.8);

Tailwind

colors: {
  custom: {
    50: '#6a89ab',
    500: '#1c5b89',
    950: '#000000',
  },
}

SCSS

$custom: #1c5b89;
$custom-light: #6a89ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5b89",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 137
  },
  "hsl": {
    "h": 205.321,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.45496,
    "c": 0.09776,
    "h": 244.8
  },
  "luminance": 0.09535
}

Semantic roles & 50–950 ramp

primary

#1C5B89

secondary

#BB7746

accent

#873FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1C5B89

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

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