#1A2FA1#1A2FA1

#1A2FA1 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.183 H 267.4°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1A2FA1
RGB	rgb(26, 47, 161)
HSL	hsl(231, 72%, 37%)
HSV	hsv(231, 84%, 63%)
CMYK	cmyk(83.9%, 70.8%, 0%, 36.9%)
CIE-LAB	lab(26.23, 35.93, -63.18)
CIE-LCH	lch(26.23, 72.68, 299.63°)
OKLab	oklab(37.85% -0.0083 -0.1831)
OKLCH	oklch(37.85% 0.183 267.4)
XYZ	xyz(7.8733, 4.8249, 34.2276)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2FA1 #A18C1A

analogous

#1A73A1 #1A2FA1 #491AA1

triadic

#1A2FA1 #A11A2F #2FA11A

tetradic

#1A2FA1 #A11A73 #A18C1A #1AA149

square

#1A2FA1 #A11A73 #A18C1A #1AA149

split-complementary

#1A2FA1 #A1491A #73A11A

monochromatic

#091038 #11206C #1A2FA1 #233ED6 #5269E3

Accessibility & contrast

On white

10.69

#1A2FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1A2FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2FA1

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2FA1	#FFFFFF	#000000	##FFFFFF
##1A2FA1	1.00	10.69	1.97	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A4

Deuteranopia (green-blind)

#00389F

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a2fa1;
/* rgb */ color: rgb(26, 47, 161);
/* oklch */ color: oklch(37.9% 0.183 267.4);

Tailwind

colors: {
  custom: {
    50: '#7168be',
    500: '#1a2fa1',
    950: '#000000',
  },
}

SCSS

$custom: #1a2fa1;
$custom-light: #7168be;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2fa1",
  "rgb": {
    "r": 26,
    "g": 47,
    "b": 161
  },
  "hsl": {
    "h": 230.667,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37852,
    "c": 0.1833,
    "h": 267.4
  },
  "luminance": 0.04826
}

Semantic roles & 50–950 ramp

primary

#1A2FA1

secondary

#C6B451

accent

#D339EF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1A2FA1

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

Preview Lab → · Contrast checker → · Palette generator →