#1C408F#1C408F

#1C408F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.138 H 263.1°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C408F
RGB	rgb(28, 64, 143)
HSL	hsl(221, 67%, 34%)
HSV	hsv(221, 80%, 56%)
CMYK	cmyk(80.4%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(29.15, 17.62, -47.40)
CIE-LCH	lch(29.15, 50.57, 290.40°)
OKLab	oklab(39.54% -0.0165 -0.1367)
OKLCH	oklch(39.54% 0.138 263.1)
XYZ	xyz(7.2684, 5.8960, 26.7362)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C408F #8F6B1C

analogous

#1C798F #1C408F #311C8F

triadic

#1C408F #8F1C40 #408F1C

tetradic

#1C408F #8F1C79 #8F6B1C #1C8F31

square

#1C408F #8F1C79 #8F6B1C #1C8F31

split-complementary

#1C408F #8F311C #798F1C

monochromatic

#081229 #12295C #1C408F #2657C2 #4A77DC

Accessibility & contrast

On white

9.64

#1C408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1C408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C408F

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C408F	#FFFFFF	#000000	##FFFFFF
##1C408F	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c408f;
/* rgb */ color: rgb(28, 64, 143);
/* oklch */ color: oklch(39.5% 0.138 263.1);

Tailwind

colors: {
  custom: {
    50: '#6c74b0',
    500: '#1c408f',
    950: '#000000',
  },
}

SCSS

$custom: #1c408f;
$custom-light: #6c74b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c408f",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 221.217,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3954,
    "c": 0.13766,
    "h": 263.1
  },
  "luminance": 0.05897
}

Semantic roles & 50–950 ramp

primary

#1C408F

secondary

#BE9949

accent

#B43EEA

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C408F

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

Preview Lab → · Contrast checker → · Palette generator →