#1C5B87#1C5B87

#1C5B87 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.4% C 0.095 H 243.7°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C5B87
RGB	rgb(28, 91, 135)
HSL	hsl(205, 66%, 32%)
HSV	hsv(205, 79%, 53%)
CMYK	cmyk(79.3%, 32.6%, 0%, 47.1%)
CIE-LAB	lab(36.89, -3.57, -30.12)
CIE-LCH	lch(36.89, 30.33, 263.24°)
OKLab	oklab(45.38% -0.0422 -0.0854)
OKLCH	oklch(45.38% 0.095 243.7)
XYZ	xyz(8.5914, 9.4773, 24.2935)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5B87 #87481C

analogous

#1C877E #1C5B87 #1C2687

triadic

#1C5B87 #871C5B #5B871C

tetradic

#1C5B87 #7E1C87 #87481C #26871C

square

#1C5B87 #7E1C87 #87481C #26871C

split-complementary

#1C5B87 #871C26 #877E1C

monochromatic

#071722 #113954 #1C5B87 #277DBA #459CD8

Accessibility & contrast

On white

7.25

#1C5B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#1C5B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B87

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5B87	#FFFFFF	#000000	##FFFFFF
##1C5B87	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475C89

Deuteranopia (green-blind)

#385286

Tritanopia (blue-blind)

#00666B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c5b87;
/* rgb */ color: rgb(28, 91, 135);
/* oklch */ color: oklch(45.4% 0.095 243.7);

Tailwind

colors: {
  custom: {
    50: '#6989aa',
    500: '#1c5b87',
    950: '#000000',
  },
}

SCSS

$custom: #1c5b87;
$custom-light: #6989aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5b87",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 135
  },
  "hsl": {
    "h": 204.673,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.45378,
    "c": 0.09527,
    "h": 243.7
  },
  "luminance": 0.09478
}

Semantic roles & 50–950 ramp

primary

#1C5B87

secondary

#BA7545

accent

#853FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1C5B87

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

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