#1C91B4#1C91B4

#1C91B4 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.109 H 224.2°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#1C91B4
RGB	rgb(28, 145, 180)
HSL	hsl(194, 73%, 41%)
HSV	hsv(194, 84%, 71%)
CMYK	cmyk(84.4%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(55.88, -18.29, -26.98)
CIE-LCH	lch(55.88, 32.59, 235.86°)
OKLab	oklab(61.2% -0.0779 -0.0758)
OKLCH	oklch(61.2% 0.109 224.2)
XYZ	xyz(18.8390, 23.7906, 46.7703)
Luminance	0.2379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C91B4 #B43F1C

analogous

#1CB48B #1C91B4 #1C45B4

triadic

#1C91B4 #B41C91 #91B41C

tetradic

#1C91B4 #8B1CB4 #B43F1C #45B41C

square

#1C91B4 #8B1CB4 #B43F1C #45B41C

split-complementary

#1C91B4 #B41C45 #B48B1C

monochromatic

#0C3C4A #14667F #1C91B4 #2FB6DF #64C9E7

Accessibility & contrast

On white

3.65

#1C91B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#1C91B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C91B4

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C91B4	#FFFFFF	#000000	##000000
##1C91B4	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB6

Deuteranopia (green-blind)

#6A80B4

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1c91b4;
/* rgb */ color: rgb(28, 145, 180);
/* oklch */ color: oklch(61.2% 0.109 224.2);

Tailwind

colors: {
  custom: {
    50: '#75b1ca',
    500: '#1c91b4',
    950: '#000000',
  },
}

SCSS

$custom: #1c91b4;
$custom-light: #75b1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1c91b4",
  "rgb": {
    "r": 28,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 193.816,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.612,
    "c": 0.1087,
    "h": 224.2
  },
  "luminance": 0.23793
}

Semantic roles & 50–950 ramp

primary

#1C91B4

secondary

#CC7960

accent

#6238F0

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1C91B4

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

Preview Lab → · Contrast checker → · Palette generator →