#1A5A9F#1A5A9F

#1A5A9F is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.6% C 0.128 H 253.8°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#1A5A9F
RGB	rgb(26, 90, 159)
HSL	hsl(211, 72%, 36%)
HSV	hsv(211, 84%, 62%)
CMYK	cmyk(83.6%, 43.4%, 0%, 37.6%)
CIE-LAB	lab(37.90, 6.33, -43.00)
CIE-LCH	lch(37.90, 43.46, 278.37°)
OKLab	oklab(46.61% -0.0358 -0.1232)
OKLCH	oklch(46.61% 0.128 253.8)
XYZ	xyz(10.3378, 10.0339, 34.1860)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5A9F #9F5F1A

analogous

#1A9D9F #1A5A9F #1D1A9F

triadic

#1A5A9F #9F1A5A #5A9F1A

tetradic

#1A5A9F #9F1A9D #9F5F1A #1A9F1D

square

#1A5A9F #9F1A9D #9F5F1A #1A9F1D

split-complementary

#1A5A9F #9F1D1A #9D9F1A

monochromatic

#091E36 #113C6A #1A5A9F #2378D4 #5197E3

Accessibility & contrast

On white

6.98

#1A5A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1A5A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1A5A9F

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5A9F	#FFFFFF	#000000	##FFFFFF
##1A5A9F	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3760A2

Deuteranopia (green-blind)

#1E549E

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1a5a9f;
/* rgb */ color: rgb(26, 90, 159);
/* oklch */ color: oklch(46.6% 0.128 253.8);

Tailwind

colors: {
  custom: {
    50: '#6e88bc',
    500: '#1a5a9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a5a9f;
$custom-light: #6e88bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5a9f",
  "rgb": {
    "r": 26,
    "g": 90,
    "b": 159
  },
  "hsl": {
    "h": 211.128,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46607,
    "c": 0.12829,
    "h": 253.8
  },
  "luminance": 0.10035
}

Semantic roles & 50–950 ramp

primary

#1A5A9F

secondary

#C58D50

accent

#9739EF

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1A5A9F

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

Preview Lab → · Contrast checker → · Palette generator →