#1C239F#1C239F

#1C239F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.9% C 0.193 H 269.4°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#1C239F
RGB	rgb(28, 35, 159)
HSL	hsl(237, 70%, 37%)
HSV	hsv(237, 82%, 62%)
CMYK	cmyk(82.4%, 78%, 0%, 37.6%)
CIE-LAB	lab(23.51, 42.58, -66.45)
CIE-LCH	lch(23.51, 78.93, 302.65°)
OKLab	oklab(35.87% -0.0021 -0.1925)
OKLCH	oklch(35.87% 0.193 269.4)
XYZ	xyz(7.3358, 3.9513, 33.1702)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C239F #9F981C

analogous

#1C659F #1C239F #571C9F

triadic

#1C239F #9F1C23 #239F1C

tetradic

#1C239F #9F1C65 #9F981C #1C9F57

square

#1C239F #9F1C65 #9F981C #1C9F57

split-complementary

#1C239F #9F571C #659F1C

monochromatic

#0A0C37 #13186B #1C239F #252ED3 #545CE1

Accessibility & contrast

On white

11.73

#1C239F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C239F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C239F

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C239F	#FFFFFF	#000000	##FFFFFF
##1C239F	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00319D

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c239f;
/* rgb */ color: rgb(28, 35, 159);
/* oklch */ color: oklch(35.9% 0.193 269.4);

Tailwind

colors: {
  custom: {
    50: '#7360bd',
    500: '#1c239f',
    950: '#000000',
  },
}

SCSS

$custom: #1c239f;
$custom-light: #7360bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c239f",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 159
  },
  "hsl": {
    "h": 236.794,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35866,
    "c": 0.19253,
    "h": 269.4
  },
  "luminance": 0.03952
}

Semantic roles & 50–950 ramp

primary

#1C239F

secondary

#C4BE53

accent

#E33BED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1C239F

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

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