#1A2174#1A2174

#1A2174 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.7% C 0.140 H 271.3°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#1A2174
RGB	rgb(26, 33, 116)
HSL	hsl(235, 63%, 28%)
HSV	hsv(235, 78%, 45%)
CMYK	cmyk(77.6%, 71.6%, 0%, 54.5%)
CIE-LAB	lab(18.22, 28.15, -48.26)
CIE-LCH	lch(18.22, 55.87, 300.25°)
OKLab	oklab(30.65% 0.0031 -0.1396)
OKLCH	oklch(30.65% 0.14 271.3)
XYZ	xyz(4.1212, 2.5678, 16.7981)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2174 #746D1A

analogous

#1A4E74 #1A2174 #401A74

triadic

#1A2174 #741A21 #21741A

tetradic

#1A2174 #741A4E #746D1A #1A7440

square

#1A2174 #741A4E #746D1A #1A7440

split-complementary

#1A2174 #74401A #4E741A

monochromatic

#060719 #0F1342 #1A2174 #252FA6 #3642D2

Accessibility & contrast

On white

13.87

#1A2174 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1A2174 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2174

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2174	#FFFFFF	#000000	##FFFFFF
##1A2174	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003177

Deuteranopia (green-blind)

#002872

Tritanopia (blue-blind)

#003847

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a2174;
/* rgb */ color: rgb(26, 33, 116);
/* oklch */ color: oklch(30.7% 0.140 271.3);

Tailwind

colors: {
  custom: {
    50: '#665c9d',
    500: '#1a2174',
    950: '#000000',
  },
}

SCSS

$custom: #1a2174;
$custom-light: #665c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2174",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 116
  },
  "hsl": {
    "h": 235.333,
    "s": 63.38,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30655,
    "c": 0.13966,
    "h": 271.3
  },
  "luminance": 0.02568
}

Semantic roles & 50–950 ramp

primary

#1A2174

secondary

#A9A141

accent

#DA41E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1A2174

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

Preview Lab → · Contrast checker → · Palette generator →