#1A258E#1A258E

#1A258E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.170 H 269.3°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#1A258E
RGB	rgb(26, 37, 142)
HSL	hsl(234, 69%, 33%)
HSV	hsv(234, 82%, 56%)
CMYK	cmyk(81.7%, 73.9%, 0%, 44.3%)
CIE-LAB	lab(21.93, 35.26, -58.60)
CIE-LCH	lch(21.93, 68.39, 301.03°)
OKLab	oklab(34.15% -0.0022 -0.1698)
OKLCH	oklch(34.15% 0.17 269.3)
XYZ	xyz(5.9684, 3.4951, 25.9460)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A258E #8E831A

analogous

#1A5F8E #1A258E #491A8E

triadic

#1A258E #8E1A25 #258E1A

tetradic

#1A258E #8E1A5F #8E831A #1A8E49

square

#1A258E #8E1A5F #8E831A #1A8E49

split-complementary

#1A258E #8E491A #5F8E1A

monochromatic

#070A27 #11185A #1A258E #2332C2 #4554DD

Accessibility & contrast

On white

12.36

#1A258E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1A258E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A258E

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A258E	#FFFFFF	#000000	##FFFFFF
##1A258E	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#002F8C

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a258e;
/* rgb */ color: rgb(26, 37, 142);
/* oklch */ color: oklch(34.2% 0.170 269.3);

Tailwind

colors: {
  custom: {
    50: '#6d60b0',
    500: '#1a258e',
    950: '#000000',
  },
}

SCSS

$custom: #1a258e;
$custom-light: #6d60b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a258e",
  "rgb": {
    "r": 26,
    "g": 37,
    "b": 142
  },
  "hsl": {
    "h": 234.31,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34151,
    "c": 0.16978,
    "h": 269.3
  },
  "luminance": 0.03496
}

Semantic roles & 50–950 ramp

primary

#1A258E

secondary

#BEB345

accent

#DB3CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1A258E

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

Preview Lab → · Contrast checker → · Palette generator →