#1A236F#1A236F

#1A236F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.5% C 0.130 H 271.0°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#1A236F
RGB	rgb(26, 35, 111)
HSL	hsl(234, 62%, 27%)
HSV	hsv(234, 77%, 44%)
CMYK	cmyk(76.6%, 68.5%, 0%, 56.5%)
CIE-LAB	lab(18.23, 24.85, -45.02)
CIE-LCH	lch(18.23, 51.43, 298.90°)
OKLab	oklab(30.51% 0.0022 -0.1302)
OKLCH	oklch(30.51% 0.13 271)
XYZ	xyz(3.8953, 2.5690, 15.3264)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A236F #6F661A

analogous

#1A4E6F #1A236F #3C1A6F

triadic

#1A236F #6F1A23 #236F1A

tetradic

#1A236F #6F1A4E #6F661A #1A6F3C

square

#1A236F #6F1A4E #6F661A #1A6F3C

split-complementary

#1A236F #6F3C1A #4E6F1A

monochromatic

#060819 #0E133D #1A236F #2633A1 #3444CF

Accessibility & contrast

On white

13.87

#1A236F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1A236F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A236F

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A236F	#FFFFFF	#000000	##FFFFFF
##1A236F	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)

#003171

Deuteranopia (green-blind)

#00296E

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a236f;
/* rgb */ color: rgb(26, 35, 111);
/* oklch */ color: oklch(30.5% 0.130 271.0);

Tailwind

colors: {
  custom: {
    50: '#655e99',
    500: '#1a236f',
    950: '#000000',
  },
}

SCSS

$custom: #1a236f;
$custom-light: #655e99;
$custom-dark: #000000;

JSON

{
  "hex": "#1a236f",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 111
  },
  "hsl": {
    "h": 233.647,
    "s": 62.044,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30505,
    "c": 0.13018,
    "h": 271
  },
  "luminance": 0.02569
}

Semantic roles & 50–950 ramp

primary

#1A236F

secondary

#A49A41

accent

#D443E5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1A236F

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

Preview Lab → · Contrast checker → · Palette generator →