#1A258D#1A258D

#1A258D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.168 H 269.3°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#1A258D
RGB	rgb(26, 37, 141)
HSL	hsl(234, 69%, 33%)
HSV	hsv(234, 82%, 55%)
CMYK	cmyk(81.6%, 73.8%, 0%, 44.7%)
CIE-LAB	lab(21.82, 34.89, -58.16)
CIE-LCH	lch(21.82, 67.82, 300.96°)
OKLab	oklab(34.04% -0.0021 -0.1685)
OKLCH	oklch(34.04% 0.168 269.3)
XYZ	xyz(5.8936, 3.4652, 25.5524)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A258D #8D821A

analogous

#1A5E8D #1A258D #491A8D

triadic

#1A258D #8D1A25 #258D1A

tetradic

#1A258D #8D1A5E #8D821A #1A8D49

square

#1A258D #8D1A5E #8D821A #1A8D49

split-complementary

#1A258D #8D491A #5E8D1A

monochromatic

#070A26 #101759 #1A258D #2433C1 #4553DD

Accessibility & contrast

On white

12.40

#1A258D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1A258D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A258D

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A258D	#FFFFFF	#000000	##FFFFFF
##1A258D	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#002F8B

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a258d;
/* rgb */ color: rgb(26, 37, 141);
/* oklch */ color: oklch(34.0% 0.168 269.3);

Tailwind

colors: {
  custom: {
    50: '#6d60af',
    500: '#1a258d',
    950: '#000000',
  },
}

SCSS

$custom: #1a258d;
$custom-light: #6d60af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a258d",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 141
  },
  "hsl": {
    "h": 234.261,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34041,
    "c": 0.16849,
    "h": 269.3
  },
  "luminance": 0.03466
}

Semantic roles & 50–950 ramp

primary

#1A258D

secondary

#BEB245

accent

#DB3CEC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #1A258D

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

Preview Lab → · Contrast checker → · Palette generator →