#1A3474#1A3474

#1A3474 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.115 H 264.5°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#1A3474
RGB	rgb(26, 52, 116)
HSL	hsl(223, 63%, 28%)
HSV	hsv(223, 78%, 45%)
CMYK	cmyk(77.6%, 55.2%, 0%, 54.5%)
CIE-LAB	lab(23.46, 14.80, -39.72)
CIE-LCH	lch(23.46, 42.39, 290.44°)
OKLab	oklab(34.54% -0.0111 -0.1143)
OKLCH	oklch(34.54% 0.115 264.5)
XYZ	xyz(4.8053, 3.9360, 17.0261)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3474 #745A1A

analogous

#1A6174 #1A3474 #2D1A74

triadic

#1A3474 #741A34 #34741A

tetradic

#1A3474 #741A61 #745A1A #1A742D

square

#1A3474 #741A61 #745A1A #1A742D

split-complementary

#1A3474 #742D1A #61741A

monochromatic

#060B19 #0F1E42 #1A3474 #254AA6 #3663D2

Accessibility & contrast

On white

11.75

#1A3474 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1A3474 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3474

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3474	#FFFFFF	#000000	##FFFFFF
##1A3474	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063C76

Deuteranopia (green-blind)

#003473

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a3474;
/* rgb */ color: rgb(26, 52, 116);
/* oklch */ color: oklch(34.5% 0.115 264.5);

Tailwind

colors: {
  custom: {
    50: '#656b9d',
    500: '#1a3474',
    950: '#000000',
  },
}

SCSS

$custom: #1a3474;
$custom-light: #656b9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3474",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 116
  },
  "hsl": {
    "h": 222.667,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34542,
    "c": 0.11488,
    "h": 264.5
  },
  "luminance": 0.03937
}

Semantic roles & 50–950 ramp

primary

#1A3474

secondary

#A98B41

accent

#B741E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3474

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

Preview Lab → · Contrast checker → · Palette generator →