#1A238D#1A238D

#1A238D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.171 H 269.6°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#1A238D
RGB	rgb(26, 35, 141)
HSL	hsl(235, 69%, 33%)
HSV	hsv(235, 82%, 55%)
CMYK	cmyk(81.6%, 75.2%, 0%, 44.7%)
CIE-LAB	lab(21.37, 36.13, -58.90)
CIE-LCH	lch(21.37, 69.10, 301.53°)
OKLab	oklab(33.72% -0.0012 -0.1706)
OKLCH	oklch(33.72% 0.171 269.6)
XYZ	xyz(5.8331, 3.3441, 25.5322)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A238D #8D841A

analogous

#1A5D8D #1A238D #4A1A8D

triadic

#1A238D #8D1A23 #238D1A

tetradic

#1A238D #8D1A5D #8D841A #1A8D4A

square

#1A238D #8D1A5D #8D841A #1A8D4A

split-complementary

#1A238D #8D4A1A #5D8D1A

monochromatic

#070926 #101659 #1A238D #2430C1 #4551DD

Accessibility & contrast

On white

12.58

#1A238D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1A238D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A238D

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A238D	#FFFFFF	#000000	##FFFFFF
##1A238D	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a238d;
/* rgb */ color: rgb(26, 35, 141);
/* oklch */ color: oklch(33.7% 0.171 269.6);

Tailwind

colors: {
  custom: {
    50: '#6d5faf',
    500: '#1a238d',
    950: '#000000',
  },
}

SCSS

$custom: #1a238d;
$custom-light: #6d5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1a238d",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 141
  },
  "hsl": {
    "h": 235.304,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33722,
    "c": 0.17062,
    "h": 269.6
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#1A238D

secondary

#BEB445

accent

#DE3CEC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080411

muted

#7B7980

Preview Lab

Preview with #1A238D

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

Preview Lab → · Contrast checker → · Palette generator →