#1A239F#1A239F

#1A239F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.193 H 268.8°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1A239F
RGB	rgb(26, 35, 159)
HSL	hsl(236, 72%, 36%)
HSV	hsv(236, 84%, 62%)
CMYK	cmyk(83.6%, 78%, 0%, 37.6%)
CIE-LAB	lab(23.42, 42.46, -66.61)
CIE-LCH	lch(23.42, 78.99, 302.52°)
OKLab	oklab(35.78% -0.0041 -0.193)
OKLCH	oklch(35.78% 0.193 268.8)
XYZ	xyz(7.2829, 3.9240, 33.1677)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A239F #9F961A

analogous

#1A669F #1A239F #541A9F

triadic

#1A239F #9F1A23 #239F1A

tetradic

#1A239F #9F1A66 #9F961A #1A9F54

square

#1A239F #9F1A66 #9F961A #1A9F54

split-complementary

#1A239F #9F541A #669F1A

monochromatic

#090C36 #11176A #1A239F #232FD4 #515BE3

Accessibility & contrast

On white

11.76

#1A239F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1A239F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A239F

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A239F	#FFFFFF	#000000	##FFFFFF
##1A239F	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00319D

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a239f;
/* rgb */ color: rgb(26, 35, 159);
/* oklch */ color: oklch(35.8% 0.193 268.8);

Tailwind

colors: {
  custom: {
    50: '#7260bd',
    500: '#1a239f',
    950: '#000000',
  },
}

SCSS

$custom: #1a239f;
$custom-light: #7260bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a239f",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 159
  },
  "hsl": {
    "h": 235.94,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35776,
    "c": 0.19303,
    "h": 268.8
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#1A239F

secondary

#C5BD50

accent

#E239EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1A239F

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

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