#1A236D#1A236D

#1A236D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.3% C 0.127 H 271.1°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#1A236D
RGB	rgb(26, 35, 109)
HSL	hsl(233, 61%, 26%)
HSV	hsv(233, 76%, 43%)
CMYK	cmyk(76.1%, 67.9%, 0%, 57.3%)
CIE-LAB	lab(18.03, 24.07, -44.05)
CIE-LCH	lch(18.03, 50.19, 298.66°)
OKLab	oklab(30.3% 0.0024 -0.1273)
OKLCH	oklch(30.3% 0.127 271.1)
XYZ	xyz(3.7864, 2.5254, 14.7529)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A236D #6D641A

analogous

#1A4D6D #1A236D #3B1A6D

triadic

#1A236D #6D1A23 #236D1A

tetradic

#1A236D #6D1A4D #6D641A #1A6D3B

square

#1A236D #6D1A4D #6D641A #1A6D3B

split-complementary

#1A236D #6D3B1A #4D6D1A

monochromatic

#060819 #0E133C #1A236D #26339E #3344CE

Accessibility & contrast

On white

13.95

#1A236D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1A236D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A236D

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A236D	#FFFFFF	#000000	##FFFFFF
##1A236D	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306F

Deuteranopia (green-blind)

#00286C

Tritanopia (blue-blind)

#003644

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a236d;
/* rgb */ color: rgb(26, 35, 109);
/* oklch */ color: oklch(30.3% 0.127 271.1);

Tailwind

colors: {
  custom: {
    50: '#645e98',
    500: '#1a236d',
    950: '#000000',
  },
}

SCSS

$custom: #1a236d;
$custom-light: #645e98;
$custom-dark: #000000;

JSON

{
  "hex": "#1a236d",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 109
  },
  "hsl": {
    "h": 233.494,
    "s": 61.481,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30303,
    "c": 0.12731,
    "h": 271.1
  },
  "luminance": 0.02526
}

Semantic roles & 50–950 ramp

primary

#1A236D

secondary

#A29841

accent

#D343E5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1A236D

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

Preview Lab → · Contrast checker → · Palette generator →