#1C5B85#1C5B85

#1C5B85 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.093 H 242.5°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#1C5B85
RGB	rgb(28, 91, 133)
HSL	hsl(204, 65%, 32%)
HSV	hsv(204, 79%, 52%)
CMYK	cmyk(78.9%, 31.6%, 0%, 47.8%)
CIE-LAB	lab(36.78, -4.34, -29.06)
CIE-LCH	lch(36.78, 29.38, 261.50°)
OKLab	oklab(45.26% -0.0428 -0.0824)
OKLCH	oklch(45.26% 0.093 242.5)
XYZ	xyz(8.4520, 9.4215, 23.5588)
Luminance	0.0942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5B85 #85461C

analogous

#1C857B #1C5B85 #1C2785

triadic

#1C5B85 #851C5B #5B851C

tetradic

#1C5B85 #7B1C85 #85461C #27851C

square

#1C5B85 #7B1C85 #85461C #27851C

split-complementary

#1C5B85 #851C27 #857B1C

monochromatic

#071620 #113852 #1C5B85 #277EB8 #449CD8

Accessibility & contrast

On white

7.28

#1C5B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1C5B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5B85

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5B85	#FFFFFF	#000000	##FFFFFF
##1C5B85	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475C87

Deuteranopia (green-blind)

#395284

Tritanopia (blue-blind)

#00656A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c5b85;
/* rgb */ color: rgb(28, 91, 133);
/* oklch */ color: oklch(45.3% 0.093 242.5);

Tailwind

colors: {
  custom: {
    50: '#6989a8',
    500: '#1c5b85',
    950: '#000000',
  },
}

SCSS

$custom: #1c5b85;
$custom-light: #6989a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5b85",
  "rgb": {
    "r": 28,
    "g": 91,
    "b": 133
  },
  "hsl": {
    "h": 204,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.45261,
    "c": 0.09283,
    "h": 242.5
  },
  "luminance": 0.09423
}

Semantic roles & 50–950 ramp

primary

#1C5B85

secondary

#B87345

accent

#8340E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C5B85

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

Preview Lab → · Contrast checker → · Palette generator →