#1C297D#1C297D

#1C297D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.142 H 269.8°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#1C297D
RGB	rgb(28, 41, 125)
HSL	hsl(232, 63%, 30%)
HSV	hsv(232, 78%, 49%)
CMYK	cmyk(77.6%, 67.2%, 0%, 51%)
CIE-LAB	lab(21.26, 26.41, -49.03)
CIE-LCH	lch(21.26, 55.69, 298.31°)
OKLab	oklab(33.17% -0.0006 -0.1418)
OKLCH	oklch(33.17% 0.142 269.8)
XYZ	xyz(4.9722, 3.3129, 19.7755)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C297D #7D701C

analogous

#1C597D #1C297D #401C7D

triadic

#1C297D #7D1C29 #297D1C

tetradic

#1C297D #7D1C59 #7D701C #1C7D40

square

#1C297D #7D1C59 #7D701C #1C7D40

split-complementary

#1C297D #7D401C #597D1C

monochromatic

#060819 #11194B #1C297D #2739AF #3F53D4

Accessibility & contrast

On white

12.63

#1C297D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C297D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C297D

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C297D	#FFFFFF	#000000	##FFFFFF
##1C297D	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#002F7B

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c297d;
/* rgb */ color: rgb(28, 41, 125);
/* oklch */ color: oklch(33.2% 0.142 269.8);

Tailwind

colors: {
  custom: {
    50: '#6962a3',
    500: '#1c297d',
    950: '#000000',
  },
}

SCSS

$custom: #1c297d;
$custom-light: #6962a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c297d",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 125
  },
  "hsl": {
    "h": 231.959,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.33168,
    "c": 0.14179,
    "h": 269.8
  },
  "luminance": 0.03313
}

Semantic roles & 50–950 ramp

primary

#1C297D

secondary

#B1A244

accent

#D041E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C297D

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

Preview Lab → · Contrast checker → · Palette generator →