#1A91B3#1A91B3

#1A91B3 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.108 H 223.3°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#1A91B3
RGB	rgb(26, 145, 179)
HSL	hsl(193, 75%, 40%)
HSV	hsv(193, 85%, 70%)
CMYK	cmyk(85.5%, 19%, 0%, 29.8%)
CIE-LAB	lab(55.81, -18.80, -26.52)
CIE-LCH	lch(55.81, 32.50, 234.67°)
OKLab	oklab(61.12% -0.0789 -0.0744)
OKLCH	oklch(61.12% 0.108 223.3)
XYZ	xyz(18.6846, 23.7227, 46.2332)
Luminance	0.2372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A91B3 #B33C1A

analogous

#1AB388 #1A91B3 #1A45B3

triadic

#1A91B3 #B31A91 #91B31A

tetradic

#1A91B3 #881AB3 #B33C1A #45B31A

square

#1A91B3 #881AB3 #B33C1A #45B31A

split-complementary

#1A91B3 #B31A45 #B3881A

monochromatic

#0A3A48 #12667E #1A91B3 #2AB8E0 #60CAE8

Accessibility & contrast

On white

3.66

#1A91B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#1A91B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1A91B3

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A91B3	#FFFFFF	#000000	##000000
##1A91B3	1.00	3.66	5.75	5.75
#FFFFFF	3.66	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)

#7E8EB5

Deuteranopia (green-blind)

#6A80B3

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1a91b3;
/* rgb */ color: rgb(26, 145, 179);
/* oklch */ color: oklch(61.1% 0.108 223.3);

Tailwind

colors: {
  custom: {
    50: '#75b1c9',
    500: '#1a91b3',
    950: '#000000',
  },
}

SCSS

$custom: #1a91b3;
$custom-light: #75b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a91b3",
  "rgb": {
    "r": 26,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 193.333,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61124,
    "c": 0.10847,
    "h": 223.3
  },
  "luminance": 0.23725
}

Semantic roles & 50–950 ramp

primary

#1A91B3

secondary

#CC755D

accent

#6037F1

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1A91B3

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

Preview Lab → · Contrast checker → · Palette generator →