#1C259E#1C259E

#1C259E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.0% C 0.189 H 269.2°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C259E
RGB	rgb(28, 37, 158)
HSL	hsl(236, 70%, 36%)
HSV	hsv(236, 82%, 62%)
CMYK	cmyk(82.3%, 76.6%, 0%, 38%)
CIE-LAB	lab(23.80, 41.10, -65.37)
CIE-LCH	lch(23.80, 77.21, 302.16°)
OKLab	oklab(36.04% -0.0026 -0.1894)
OKLCH	oklch(36.04% 0.189 269.2)
XYZ	xyz(7.3099, 4.0378, 32.7352)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C259E #9E951C

analogous

#1C669E #1C259E #541C9E

triadic

#1C259E #9E1C25 #259E1C

tetradic

#1C259E #9E1C66 #9E951C #1C9E54

square

#1C259E #9E1C66 #9E951C #1C9E54

split-complementary

#1C259E #9E541C #669E1C

monochromatic

#0A0D36 #13196A #1C259E #2531D2 #545EE1

Accessibility & contrast

On white

11.62

#1C259E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1C259E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C259E

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C259E	#FFFFFF	#000000	##FFFFFF
##1C259E	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA1

Deuteranopia (green-blind)

#00329C

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1c259e;
/* rgb */ color: rgb(28, 37, 158);
/* oklch */ color: oklch(36.0% 0.189 269.2);

Tailwind

colors: {
  custom: {
    50: '#7261bc',
    500: '#1c259e',
    950: '#000000',
  },
}

SCSS

$custom: #1c259e;
$custom-light: #7261bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c259e",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 158
  },
  "hsl": {
    "h": 235.846,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36035,
    "c": 0.18941,
    "h": 269.2
  },
  "luminance": 0.04039
}

Semantic roles & 50–950 ramp

primary

#1C259E

secondary

#C4BC52

accent

#E03BED

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1C259E

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

Preview Lab → · Contrast checker → · Palette generator →