#1C408C#1C408C

#1C408C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.133 H 262.8°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#1C408C
RGB	rgb(28, 64, 140)
HSL	hsl(221, 67%, 33%)
HSV	hsv(221, 80%, 55%)
CMYK	cmyk(80%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(28.92, 16.41, -45.92)
CIE-LCH	lch(28.92, 48.77, 289.66°)
OKLab	oklab(39.29% -0.0168 -0.1323)
OKLCH	oklch(39.29% 0.133 262.8)
XYZ	xyz(7.0442, 5.8063, 25.5553)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C408C #8C681C

analogous

#1C788C #1C408C #301C8C

triadic

#1C408C #8C1C40 #408C1C

tetradic

#1C408C #8C1C78 #8C681C #1C8C30

square

#1C408C #8C1C78 #8C681C #1C8C30

split-complementary

#1C408C #8C301C #788C1C

monochromatic

#081126 #122959 #1C408C #2657BF #4877DA

Accessibility & contrast

On white

9.72

#1C408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1C408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C408C

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C408C	#FFFFFF	#000000	##FFFFFF
##1C408C	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074A8F

Deuteranopia (green-blind)

#003F8A

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c408c;
/* rgb */ color: rgb(28, 64, 140);
/* oklch */ color: oklch(39.3% 0.133 262.8);

Tailwind

colors: {
  custom: {
    50: '#6b74ae',
    500: '#1c408c',
    950: '#000000',
  },
}

SCSS

$custom: #1c408c;
$custom-light: #6b74ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c408c",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 220.714,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39293,
    "c": 0.13339,
    "h": 262.8
  },
  "luminance": 0.05807
}

Semantic roles & 50–950 ramp

primary

#1C408C

secondary

#BC9748

accent

#B23EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C408C

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

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