#1C2F8C#1C2F8C

#1C2F8C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.155 H 268.1°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F8C
RGB	rgb(28, 47, 140)
HSL	hsl(230, 67%, 33%)
HSV	hsv(230, 80%, 55%)
CMYK	cmyk(80%, 66.4%, 0%, 45.1%)
CIE-LAB	lab(24.23, 28.15, -53.56)
CIE-LCH	lch(24.23, 60.51, 297.72°)
OKLab	oklab(35.79% -0.0051 -0.155)
OKLCH	oklch(35.79% 0.155 268.1)
XYZ	xyz(6.2274, 4.1726, 25.2831)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F8C #8C791C

analogous

#1C678C #1C2F8C #411C8C

triadic

#1C2F8C #8C1C2F #2F8C1C

tetradic

#1C2F8C #8C1C67 #8C791C #1C8C41

square

#1C2F8C #8C1C67 #8C791C #1C8C41

split-complementary

#1C2F8C #8C411C #678C1C

monochromatic

#080D26 #121E59 #1C2F8C #2640BF #4861DA

Accessibility & contrast

On white

11.45

#1C2F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1C2F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F8C

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F8C	#FFFFFF	#000000	##FFFFFF
##1C2F8C	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8F

Deuteranopia (green-blind)

#00348A

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c2f8c;
/* rgb */ color: rgb(28, 47, 140);
/* oklch */ color: oklch(35.8% 0.155 268.1);

Tailwind

colors: {
  custom: {
    50: '#6c67af',
    500: '#1c2f8c',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f8c;
$custom-light: #6c67af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f8c",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 140
  },
  "hsl": {
    "h": 229.821,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35791,
    "c": 0.15508,
    "h": 268.1
  },
  "luminance": 0.04173
}

Semantic roles & 50–950 ramp

primary

#1C2F8C

secondary

#BCA848

accent

#CD3EEA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1C2F8C

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

Preview Lab → · Contrast checker → · Palette generator →