#1C2B79#1C2B79

#1C2B79 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.134 H 269.2°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B79
RGB	rgb(28, 43, 121)
HSL	hsl(230, 62%, 29%)
HSV	hsv(230, 77%, 47%)
CMYK	cmyk(76.9%, 64.5%, 0%, 52.5%)
CIE-LAB	lab(21.41, 23.47, -46.23)
CIE-LCH	lch(21.41, 51.85, 296.91°)
OKLab	oklab(33.17% -0.0018 -0.1336)
OKLCH	oklch(33.17% 0.134 269.2)
XYZ	xyz(4.7928, 3.3546, 18.4804)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B79 #796A1C

analogous

#1C5A79 #1C2B79 #3C1C79

triadic

#1C2B79 #791C2B #2B791C

tetradic

#1C2B79 #791C5A #796A1C #1C793C

square

#1C2B79 #791C5A #796A1C #1C793C

split-complementary

#1C2B79 #793C1C #5A791C

monochromatic

#060919 #101947 #1C2B79 #283DAB #3D55D2

Accessibility & contrast

On white

12.57

#1C2B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1C2B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B79

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B79	#FFFFFF	#000000	##FFFFFF
##1C2B79	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387C

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2b79;
/* rgb */ color: rgb(28, 43, 121);
/* oklch */ color: oklch(33.2% 0.134 269.2);

Tailwind

colors: {
  custom: {
    50: '#6864a0',
    500: '#1c2b79',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b79;
$custom-light: #6864a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b79",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 121
  },
  "hsl": {
    "h": 230.323,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33167,
    "c": 0.13358,
    "h": 269.2
  },
  "luminance": 0.03355
}

Semantic roles & 50–950 ramp

primary

#1C2B79

secondary

#AD9C44

accent

#CB42E5

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2B79

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

Preview Lab → · Contrast checker → · Palette generator →