#1A2F9F#1A2F9F

#1A2F9F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.181 H 267.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#1A2F9F
RGB	rgb(26, 47, 159)
HSL	hsl(231, 72%, 36%)
HSV	hsv(231, 84%, 62%)
CMYK	cmyk(83.6%, 70.4%, 0%, 37.6%)
CIE-LAB	lab(26.02, 35.19, -62.30)
CIE-LCH	lch(26.02, 71.55, 299.46°)
OKLab	oklab(37.64% -0.0081 -0.1805)
OKLCH	oklch(37.64% 0.181 267.4)
XYZ	xyz(7.6983, 4.7549, 33.3062)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2F9F #9F8A1A

analogous

#1A729F #1A2F9F #481A9F

triadic

#1A2F9F #9F1A2F #2F9F1A

tetradic

#1A2F9F #9F1A72 #9F8A1A #1A9F48

square

#1A2F9F #9F1A72 #9F8A1A #1A9F48

split-complementary

#1A2F9F #9F481A #729F1A

monochromatic

#091036 #111F6A #1A2F9F #233FD4 #5168E3

Accessibility & contrast

On white

10.76

#1A2F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1A2F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2F9F

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2F9F	#FFFFFF	#000000	##FFFFFF
##1A2F9F	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A2

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a2f9f;
/* rgb */ color: rgb(26, 47, 159);
/* oklch */ color: oklch(37.6% 0.181 267.4);

Tailwind

colors: {
  custom: {
    50: '#7168bd',
    500: '#1a2f9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a2f9f;
$custom-light: #7168bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2f9f",
  "rgb": {
    "r": 26,
    "g": 47,
    "b": 159
  },
  "hsl": {
    "h": 230.526,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37642,
    "c": 0.18073,
    "h": 267.4
  },
  "luminance": 0.04756
}

Semantic roles & 50–950 ramp

primary

#1A2F9F

secondary

#C5B350

accent

#D239EF

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1A2F9F

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

Preview Lab → · Contrast checker → · Palette generator →