#1C2D75#1C2D75

#1C2D75 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.125 H 268.5°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D75
RGB	rgb(28, 45, 117)
HSL	hsl(229, 61%, 28%)
HSV	hsv(229, 76%, 46%)
CMYK	cmyk(76.1%, 61.5%, 0%, 54.1%)
CIE-LAB	lab(21.61, 20.47, -43.36)
CIE-LCH	lch(21.61, 47.95, 295.27°)
OKLab	oklab(33.2% -0.0033 -0.1251)
OKLCH	oklch(33.2% 0.125 268.5)
XYZ	xyz(4.6271, 3.4075, 17.2400)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D75 #75641C

analogous

#1C5975 #1C2D75 #371C75

triadic

#1C2D75 #751C2D #2D751C

tetradic

#1C2D75 #751C59 #75641C #1C7537

square

#1C2D75 #751C59 #75641C #1C7537

split-complementary

#1C2D75 #75371C #59751C

monochromatic

#060919 #101A44 #1C2D75 #2840A6 #3B58D0

Accessibility & contrast

On white

12.49

#1C2D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1C2D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D75

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D75	#FFFFFF	#000000	##FFFFFF
##1C2D75	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003877

Deuteranopia (green-blind)

#003074

Tritanopia (blue-blind)

#003F4C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2d75;
/* rgb */ color: rgb(28, 45, 117);
/* oklch */ color: oklch(33.2% 0.125 268.5);

Tailwind

colors: {
  custom: {
    50: '#66659d',
    500: '#1c2d75',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d75;
$custom-light: #66659d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d75",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 117
  },
  "hsl": {
    "h": 228.539,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33202,
    "c": 0.12516,
    "h": 268.5
  },
  "luminance": 0.03408
}

Semantic roles & 50–950 ramp

primary

#1C2D75

secondary

#A99644

accent

#C643E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1C2D75

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

Preview Lab → · Contrast checker → · Palette generator →