#1A5B9F#1A5B9F

#1A5B9F is a mid, vivid cyan. Relative luminance 0.102; OKLCH L 46.8% C 0.127 H 253.3°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#1A5B9F
RGB	rgb(26, 91, 159)
HSL	hsl(211, 72%, 36%)
HSV	hsv(211, 84%, 62%)
CMYK	cmyk(83.6%, 42.8%, 0%, 37.6%)
CIE-LAB	lab(38.21, 5.68, -42.51)
CIE-LCH	lch(38.21, 42.89, 277.61°)
OKLab	oklab(46.84% -0.0366 -0.1218)
OKLCH	oklch(46.84% 0.127 253.3)
XYZ	xyz(10.4227, 10.2037, 34.2143)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5B9F #9F5E1A

analogous

#1A9E9F #1A5B9F #1C1A9F

triadic

#1A5B9F #9F1A5B #5B9F1A

tetradic

#1A5B9F #9F1A9E #9F5E1A #1A9F1C

square

#1A5B9F #9F1A9E #9F5E1A #1A9F1C

split-complementary

#1A5B9F #9F1C1A #9E9F1A

monochromatic

#091F36 #113D6A #1A5B9F #2379D4 #5198E3

Accessibility & contrast

On white

6.91

#1A5B9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#1A5B9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5B9F

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5B9F	#FFFFFF	#000000	##FFFFFF
##1A5B9F	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3960A2

Deuteranopia (green-blind)

#20549E

Tritanopia (blue-blind)

#006B75

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1a5b9f;
/* rgb */ color: rgb(26, 91, 159);
/* oklch */ color: oklch(46.8% 0.127 253.3);

Tailwind

colors: {
  custom: {
    50: '#6e88bc',
    500: '#1a5b9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a5b9f;
$custom-light: #6e88bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5b9f",
  "rgb": {
    "r": 26,
    "g": 91,
    "b": 159
  },
  "hsl": {
    "h": 210.677,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46842,
    "c": 0.12714,
    "h": 253.3
  },
  "luminance": 0.10205
}

Semantic roles & 50–950 ramp

primary

#1A5B9F

secondary

#C58C50

accent

#9639EF

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1A5B9F

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

Preview Lab → · Contrast checker → · Palette generator →