#1A91B4#1A91B4

#1A91B4 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.109 H 224.0°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#1A91B4
RGB	rgb(26, 145, 180)
HSL	hsl(194, 75%, 40%)
HSV	hsv(194, 86%, 71%)
CMYK	cmyk(85.6%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(55.85, -18.45, -27.02)
CIE-LCH	lch(55.85, 32.72, 235.68°)
OKLab	oklab(61.17% -0.0785 -0.0759)
OKLCH	oklch(61.17% 0.109 224)
XYZ	xyz(18.7861, 23.7633, 46.7678)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A91B4 #B43D1A

analogous

#1AB48A #1A91B4 #1A44B4

triadic

#1A91B4 #B41A91 #91B41A

tetradic

#1A91B4 #8A1AB4 #B43D1A #44B41A

square

#1A91B4 #8A1AB4 #B43D1A #44B41A

split-complementary

#1A91B4 #B41A44 #B48A1A

monochromatic

#0B3B49 #12667F #1A91B4 #2BB7E0 #60C9E8

Accessibility & contrast

On white

3.65

#1A91B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#1A91B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1A91B4

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A91B4	#FFFFFF	#000000	##000000
##1A91B4	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB6

Deuteranopia (green-blind)

#6A80B4

Tritanopia (blue-blind)

#009C9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1a91b4;
/* rgb */ color: rgb(26, 145, 180);
/* oklch */ color: oklch(61.2% 0.109 224.0);

Tailwind

colors: {
  custom: {
    50: '#75b1ca',
    500: '#1a91b4',
    950: '#000000',
  },
}

SCSS

$custom: #1a91b4;
$custom-light: #75b1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a91b4",
  "rgb": {
    "r": 26,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 193.636,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.6117,
    "c": 0.1092,
    "h": 224
  },
  "luminance": 0.23766
}

Semantic roles & 50–950 ramp

primary

#1A91B4

secondary

#CC775D

accent

#6136F1

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1A91B4

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

Preview Lab → · Contrast checker → · Palette generator →