#1C5CA1#1C5CA1

#1C5CA1 is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.3% C 0.128 H 253.7°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#1C5CA1
RGB	rgb(28, 92, 161)
HSL	hsl(211, 70%, 37%)
HSV	hsv(211, 83%, 63%)
CMYK	cmyk(82.6%, 42.9%, 0%, 36.9%)
CIE-LAB	lab(38.68, 6.02, -42.95)
CIE-LCH	lch(38.68, 43.37, 277.98°)
OKLab	oklab(47.26% -0.036 -0.123)
OKLCH	oklch(47.26% 0.128 253.7)
XYZ	xyz(10.7366, 10.4731, 35.1669)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5CA1 #A1611C

analogous

#1C9FA1 #1C5CA1 #1F1CA1

triadic

#1C5CA1 #A11C5C #5CA11C

tetradic

#1C5CA1 #A11C9F #A1611C #1CA11F

square

#1C5CA1 #A11C9F #A1611C #1CA11F

split-complementary

#1C5CA1 #A11F1C #9FA11C

monochromatic

#0A2039 #133E6D #1C5CA1 #257AD5 #5699E2

Accessibility & contrast

On white

6.79

#1C5CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#1C5CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5CA1

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5CA1	#FFFFFF	#000000	##FFFFFF
##1C5CA1	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3962A4

Deuteranopia (green-blind)

#2156A0

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1c5ca1;
/* rgb */ color: rgb(28, 92, 161);
/* oklch */ color: oklch(47.3% 0.128 253.7);

Tailwind

colors: {
  custom: {
    50: '#6f89bd',
    500: '#1c5ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1c5ca1;
$custom-light: #6f89bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5ca1",
  "rgb": {
    "r": 28,
    "g": 92,
    "b": 161
  },
  "hsl": {
    "h": 211.128,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.47264,
    "c": 0.12816,
    "h": 253.7
  },
  "luminance": 0.10474
}

Semantic roles & 50–950 ramp

primary

#1C5CA1

secondary

#C58F54

accent

#973BED

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1C5CA1

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

Preview Lab → · Contrast checker → · Palette generator →