#1A236C#1A236C

#1A236C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.2% C 0.126 H 271.1°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#1A236C
RGB	rgb(26, 35, 108)
HSL	hsl(233, 61%, 26%)
HSV	hsv(233, 76%, 42%)
CMYK	cmyk(75.9%, 67.6%, 0%, 57.6%)
CIE-LAB	lab(17.94, 23.68, -43.55)
CIE-LCH	lch(17.94, 49.57, 298.53°)
OKLab	oklab(30.2% 0.0024 -0.1258)
OKLCH	oklch(30.2% 0.126 271.1)
XYZ	xyz(3.7329, 2.5040, 14.4710)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A236C #6C631A

analogous

#1A4C6C #1A236C #3A1A6C

triadic

#1A236C #6C1A23 #236C1A

tetradic

#1A236C #6C1A4C #6C631A #1A6C3A

square

#1A236C #6C1A4C #6C631A #1A6C3A

split-complementary

#1A236C #6C3A1A #4C6C1A

monochromatic

#060819 #0E133B #1A236C #26339D #3344CE

Accessibility & contrast

On white

13.99

#1A236C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A236C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A236C

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A236C	#FFFFFF	#000000	##FFFFFF
##1A236C	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306E

Deuteranopia (green-blind)

#00286B

Tritanopia (blue-blind)

#003644

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a236c;
/* rgb */ color: rgb(26, 35, 108);
/* oklch */ color: oklch(30.2% 0.126 271.1);

Tailwind

colors: {
  custom: {
    50: '#645e97',
    500: '#1a236c',
    950: '#000000',
  },
}

SCSS

$custom: #1a236c;
$custom-light: #645e97;
$custom-dark: #000000;

JSON

{
  "hex": "#1a236c",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 108
  },
  "hsl": {
    "h": 233.415,
    "s": 61.194,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30203,
    "c": 0.12587,
    "h": 271.1
  },
  "luminance": 0.02504
}

Semantic roles & 50–950 ramp

primary

#1A236C

secondary

#A19741

accent

#D343E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1A236C

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

Preview Lab → · Contrast checker → · Palette generator →