#1C299D#1C299D

#1C299D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.5% C 0.184 H 268.8°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C299D
RGB	rgb(28, 41, 157)
HSL	hsl(234, 70%, 36%)
HSV	hsv(234, 82%, 62%)
CMYK	cmyk(82.2%, 73.9%, 0%, 38.4%)
CIE-LAB	lab(24.53, 38.36, -63.54)
CIE-LCH	lch(24.53, 74.22, 301.12°)
OKLab	oklab(36.53% -0.0038 -0.1841)
OKLCH	oklch(36.53% 0.184 268.8)
XYZ	xyz(7.3555, 4.2662, 32.3275)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C299D #9D901C

analogous

#1C6A9D #1C299D #4F1C9D

triadic

#1C299D #9D1C29 #299D1C

tetradic

#1C299D #9D1C6A #9D901C #1C9D4F

square

#1C299D #9D1C6A #9D901C #1C9D4F

split-complementary

#1C299D #9D4F1C #6A9D1C

monochromatic

#090E35 #131B69 #1C299D #2537D1 #5361E0

Accessibility & contrast

On white

11.33

#1C299D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C299D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C299D

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C299D	#FFFFFF	#000000	##FFFFFF
##1C299D	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00349B

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c299d;
/* rgb */ color: rgb(28, 41, 157);
/* oklch */ color: oklch(36.5% 0.184 268.8);

Tailwind

colors: {
  custom: {
    50: '#7164bb',
    500: '#1c299d',
    950: '#000000',
  },
}

SCSS

$custom: #1c299d;
$custom-light: #7164bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c299d",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 157
  },
  "hsl": {
    "h": 233.953,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36527,
    "c": 0.18415,
    "h": 268.8
  },
  "luminance": 0.04267
}

Semantic roles & 50–950 ramp

primary

#1C299D

secondary

#C3B851

accent

#DB3BED

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1C299D

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

Preview Lab → · Contrast checker → · Palette generator →