#1A258C#1A258C

#1A258C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.167 H 269.3°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#1A258C
RGB	rgb(26, 37, 140)
HSL	hsl(234, 69%, 33%)
HSV	hsv(234, 81%, 55%)
CMYK	cmyk(81.4%, 73.6%, 0%, 45.1%)
CIE-LAB	lab(21.71, 34.53, -57.72)
CIE-LCH	lch(21.71, 67.26, 300.89°)
OKLab	oklab(33.93% -0.0019 -0.1672)
OKLCH	oklch(33.93% 0.167 269.3)
XYZ	xyz(5.8196, 3.4355, 25.1623)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A258C #8C811A

analogous

#1A5E8C #1A258C #481A8C

triadic

#1A258C #8C1A25 #258C1A

tetradic

#1A258C #8C1A5E #8C811A #1A8C48

square

#1A258C #8C1A5E #8C811A #1A8C48

split-complementary

#1A258C #8C481A #5E8C1A

monochromatic

#070A25 #101758 #1A258C #2433C0 #4453DC

Accessibility & contrast

On white

12.45

#1A258C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1A258C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A258C

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A258C	#FFFFFF	#000000	##FFFFFF
##1A258C	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a258c;
/* rgb */ color: rgb(26, 37, 140);
/* oklch */ color: oklch(33.9% 0.167 269.3);

Tailwind

colors: {
  custom: {
    50: '#6d60af',
    500: '#1a258c',
    950: '#000000',
  },
}

SCSS

$custom: #1a258c;
$custom-light: #6d60af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a258c",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 140
  },
  "hsl": {
    "h": 234.211,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33932,
    "c": 0.1672,
    "h": 269.3
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#1A258C

secondary

#BEB244

accent

#DB3CEC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080510

muted

#7B797F

Preview Lab

Preview with #1A258C

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

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