#1A2574#1A2574

#1A2574 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.135 H 270.2°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#1A2574
RGB	rgb(26, 37, 116)
HSL	hsl(233, 63%, 28%)
HSV	hsv(233, 78%, 45%)
CMYK	cmyk(77.6%, 68.1%, 0%, 54.5%)
CIE-LAB	lab(19.24, 25.42, -46.59)
CIE-LCH	lch(19.24, 53.08, 298.62°)
OKLab	oklab(31.39% 0.0005 -0.1347)
OKLCH	oklch(31.39% 0.135 270.2)
XYZ	xyz(4.2389, 2.8033, 16.8373)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2574 #74691A

analogous

#1A5274 #1A2574 #3C1A74

triadic

#1A2574 #741A25 #25741A

tetradic

#1A2574 #741A52 #74691A #1A743C

square

#1A2574 #741A52 #74691A #1A743C

split-complementary

#1A2574 #743C1A #52741A

monochromatic

#060819 #0F1542 #1A2574 #2535A6 #3649D2

Accessibility & contrast

On white

13.45

#1A2574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1A2574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2574

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2574	#FFFFFF	#000000	##FFFFFF
##1A2574	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003376

Deuteranopia (green-blind)

#002A73

Tritanopia (blue-blind)

#003A49

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a2574;
/* rgb */ color: rgb(26, 37, 116);
/* oklch */ color: oklch(31.4% 0.135 270.2);

Tailwind

colors: {
  custom: {
    50: '#665f9d',
    500: '#1a2574',
    950: '#000000',
  },
}

SCSS

$custom: #1a2574;
$custom-light: #665f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2574",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 116
  },
  "hsl": {
    "h": 232.667,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31394,
    "c": 0.13474,
    "h": 270.2
  },
  "luminance": 0.02804
}

Semantic roles & 50–950 ramp

primary

#1A2574

secondary

#A99C41

accent

#D241E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1A2574

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

Preview Lab → · Contrast checker → · Palette generator →