#1A236E#1A236E

#1A236E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.129 H 271.0°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#1A236E
RGB	rgb(26, 35, 110)
HSL	hsl(234, 62%, 27%)
HSV	hsv(234, 76%, 43%)
CMYK	cmyk(76.4%, 68.2%, 0%, 56.9%)
CIE-LAB	lab(18.13, 24.46, -44.54)
CIE-LCH	lch(18.13, 50.81, 298.78°)
OKLab	oklab(30.4% 0.0023 -0.1287)
OKLCH	oklch(30.4% 0.129 271)
XYZ	xyz(3.8405, 2.5471, 15.0381)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A236E #6E651A

analogous

#1A4D6E #1A236E #3B1A6E

triadic

#1A236E #6E1A23 #236E1A

tetradic

#1A236E #6E1A4D #6E651A #1A6E3B

square

#1A236E #6E1A4D #6E651A #1A6E3B

split-complementary

#1A236E #6E3B1A #4D6E1A

monochromatic

#060819 #0E133D #1A236E #2633A0 #3444CF

Accessibility & contrast

On white

13.91

#1A236E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1A236E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A236E

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A236E	#FFFFFF	#000000	##FFFFFF
##1A236E	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003070

Deuteranopia (green-blind)

#00286D

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a236e;
/* rgb */ color: rgb(26, 35, 110);
/* oklch */ color: oklch(30.4% 0.129 271.0);

Tailwind

colors: {
  custom: {
    50: '#655e98',
    500: '#1a236e',
    950: '#000000',
  },
}

SCSS

$custom: #1a236e;
$custom-light: #655e98;
$custom-dark: #000000;

JSON

{
  "hex": "#1a236e",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 110
  },
  "hsl": {
    "h": 233.571,
    "s": 61.765,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30404,
    "c": 0.12875,
    "h": 271
  },
  "luminance": 0.02547
}

Semantic roles & 50–950 ramp

primary

#1A236E

secondary

#A39941

accent

#D443E5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1A236E

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

Preview Lab → · Contrast checker → · Palette generator →