#1A236B#1A236B

#1A236B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.1% C 0.124 H 271.2°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#1A236B
RGB	rgb(26, 35, 107)
HSL	hsl(233, 61%, 26%)
HSV	hsv(233, 76%, 42%)
CMYK	cmyk(75.7%, 67.3%, 0%, 58%)
CIE-LAB	lab(17.84, 23.29, -43.06)
CIE-LCH	lch(17.84, 48.95, 298.40°)
OKLab	oklab(30.1% 0.0025 -0.1244)
OKLCH	oklch(30.1% 0.124 271.2)
XYZ	xyz(3.6800, 2.4828, 14.1924)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A236B #6B621A

analogous

#1A4B6B #1A236B #391A6B

triadic

#1A236B #6B1A23 #236B1A

tetradic

#1A236B #6B1A4B #6B621A #1A6B39

square

#1A236B #6B1A4B #6B621A #1A6B39

split-complementary

#1A236B #6B391A #4B6B1A

monochromatic

#060819 #0E133A #1A236B #26339C #3243CD

Accessibility & contrast

On white

14.03

#1A236B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A236B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A236B

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A236B	#FFFFFF	#000000	##FFFFFF
##1A236B	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00286A

Tritanopia (blue-blind)

#003643

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a236b;
/* rgb */ color: rgb(26, 35, 107);
/* oklch */ color: oklch(30.1% 0.124 271.2);

Tailwind

colors: {
  custom: {
    50: '#645d96',
    500: '#1a236b',
    950: '#000000',
  },
}

SCSS

$custom: #1a236b;
$custom-light: #645d96;
$custom-dark: #000000;

JSON

{
  "hex": "#1a236b",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 107
  },
  "hsl": {
    "h": 233.333,
    "s": 60.902,
    "l": 26.078
  },
  "oklch": {
    "l": 0.30103,
    "c": 0.12443,
    "h": 271.2
  },
  "luminance": 0.02483
}

Semantic roles & 50–950 ramp

primary

#1A236B

secondary

#A09640

accent

#D244E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1A236B

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

Preview Lab → · Contrast checker → · Palette generator →