#1C2A79#1C2A79

#1C2A79 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.135 H 269.5°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A79
RGB	rgb(28, 42, 121)
HSL	hsl(231, 62%, 29%)
HSV	hsv(231, 77%, 47%)
CMYK	cmyk(76.9%, 65.3%, 0%, 52.5%)
CIE-LAB	lab(21.14, 24.16, -46.67)
CIE-LCH	lch(21.14, 52.55, 297.37°)
OKLab	oklab(32.97% -0.0011 -0.1349)
OKLCH	oklch(32.97% 0.135 269.5)
XYZ	xyz(4.7569, 3.2828, 18.4684)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A79 #796B1C

analogous

#1C5979 #1C2A79 #3D1C79

triadic

#1C2A79 #791C2A #2A791C

tetradic

#1C2A79 #791C59 #796B1C #1C793D

square

#1C2A79 #791C59 #796B1C #1C793D

split-complementary

#1C2A79 #793D1C #59791C

monochromatic

#060919 #101947 #1C2A79 #283BAB #3D54D2

Accessibility & contrast

On white

12.68

#1C2A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C2A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A79

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A79	#FFFFFF	#000000	##FFFFFF
##1C2A79	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377C

Deuteranopia (green-blind)

#002F77

Tritanopia (blue-blind)

#003E4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2a79;
/* rgb */ color: rgb(28, 42, 121);
/* oklch */ color: oklch(33.0% 0.135 269.5);

Tailwind

colors: {
  custom: {
    50: '#6863a0',
    500: '#1c2a79',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a79;
$custom-light: #6863a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a79",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 121
  },
  "hsl": {
    "h": 230.968,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32969,
    "c": 0.13487,
    "h": 269.5
  },
  "luminance": 0.03283
}

Semantic roles & 50–950 ramp

primary

#1C2A79

secondary

#AD9D44

accent

#CD42E5

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2A79

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

Preview Lab → · Contrast checker → · Palette generator →