#1C229D#1C229D

#1C229D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.191 H 269.6°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C229D
RGB	rgb(28, 34, 157)
HSL	hsl(237, 70%, 36%)
HSV	hsv(237, 82%, 62%)
CMYK	cmyk(82.2%, 78.3%, 0%, 38.4%)
CIE-LAB	lab(23.08, 42.46, -65.94)
CIE-LCH	lch(23.08, 78.43, 302.78°)
OKLab	oklab(35.5% -0.0015 -0.191)
OKLCH	oklch(35.5% 0.191 269.6)
XYZ	xyz(7.1346, 3.8244, 32.2539)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C229D #9D971C

analogous

#1C639D #1C229D #571C9D

triadic

#1C229D #9D1C22 #229D1C

tetradic

#1C229D #9D1C63 #9D971C #1C9D57

square

#1C229D #9D1C63 #9D971C #1C9D57

split-complementary

#1C229D #9D571C #639D1C

monochromatic

#090C35 #131769 #1C229D #252DD1 #535AE0

Accessibility & contrast

On white

11.90

#1C229D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1C229D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C229D

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C229D	#FFFFFF	#000000	##FFFFFF
##1C229D	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA0

Deuteranopia (green-blind)

#00309B

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c229d;
/* rgb */ color: rgb(28, 34, 157);
/* oklch */ color: oklch(35.5% 0.191 269.6);

Tailwind

colors: {
  custom: {
    50: '#725fbb',
    500: '#1c229d',
    950: '#000000',
  },
}

SCSS

$custom: #1c229d;
$custom-light: #725fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c229d",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 157
  },
  "hsl": {
    "h": 237.209,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35497,
    "c": 0.19102,
    "h": 269.6
  },
  "luminance": 0.03825
}

Semantic roles & 50–950 ramp

primary

#1C229D

secondary

#C3BE51

accent

#E43BED

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1C229D

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

Preview Lab → · Contrast checker → · Palette generator →