#1A238B#1A238B

#1A238B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.168 H 269.7°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#1A238B
RGB	rgb(26, 35, 139)
HSL	hsl(235, 68%, 32%)
HSV	hsv(235, 81%, 55%)
CMYK	cmyk(81.3%, 74.8%, 0%, 45.5%)
CIE-LAB	lab(21.15, 35.41, -58.01)
CIE-LCH	lch(21.15, 67.97, 301.40°)
OKLab	oklab(33.5% -0.001 -0.168)
OKLCH	oklch(33.5% 0.168 269.7)
XYZ	xyz(5.6856, 3.2851, 24.7555)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A238B #8B821A

analogous

#1A5C8B #1A238B #491A8B

triadic

#1A238B #8B1A23 #238B1A

tetradic

#1A238B #8B1A5C #8B821A #1A8B49

square

#1A238B #8B1A5C #8B821A #1A8B49

split-complementary

#1A238B #8B491A #5C8B1A

monochromatic

#070924 #101657 #1A238B #2430BF #4350DC

Accessibility & contrast

On white

12.67

#1A238B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1A238B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A238B

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A238B	#FFFFFF	#000000	##FFFFFF
##1A238B	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a238b;
/* rgb */ color: rgb(26, 35, 139);
/* oklch */ color: oklch(33.5% 0.168 269.7);

Tailwind

colors: {
  custom: {
    50: '#6d5fae',
    500: '#1a238b',
    950: '#000000',
  },
}

SCSS

$custom: #1a238b;
$custom-light: #6d5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a238b",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 139
  },
  "hsl": {
    "h": 235.221,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33499,
    "c": 0.16805,
    "h": 269.7
  },
  "luminance": 0.03286
}

Semantic roles & 50–950 ramp

primary

#1A238B

secondary

#BDB344

accent

#DD3CEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1A238B

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

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