#1C408A#1C408A

#1C408A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.131 H 262.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#1C408A
RGB	rgb(28, 64, 138)
HSL	hsl(220, 66%, 33%)
HSV	hsv(220, 80%, 54%)
CMYK	cmyk(79.7%, 53.6%, 0%, 45.9%)
CIE-LAB	lab(28.77, 15.60, -44.93)
CIE-LCH	lch(28.77, 47.56, 289.14°)
OKLab	oklab(39.13% -0.017 -0.1294)
OKLCH	oklch(39.13% 0.131 262.5)
XYZ	xyz(6.8981, 5.7479, 24.7857)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C408A #8A661C

analogous

#1C778A #1C408A #2F1C8A

triadic

#1C408A #8A1C40 #408A1C

tetradic

#1C408A #8A1C77 #8A661C #1C8A2F

square

#1C408A #8A1C77 #8A661C #1C8A2F

split-complementary

#1C408A #8A2F1C #778A1C

monochromatic

#071124 #122857 #1C408A #2658BD #4777DA

Accessibility & contrast

On white

9.77

#1C408A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1C408A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C408A

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C408A	#FFFFFF	#000000	##FFFFFF
##1C408A	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C498D

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c408a;
/* rgb */ color: rgb(28, 64, 138);
/* oklch */ color: oklch(39.1% 0.131 262.5);

Tailwind

colors: {
  custom: {
    50: '#6a74ad',
    500: '#1c408a',
    950: '#000000',
  },
}

SCSS

$custom: #1c408a;
$custom-light: #6a74ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c408a",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 138
  },
  "hsl": {
    "h": 220.364,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3913,
    "c": 0.13053,
    "h": 262.5
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#1C408A

secondary

#BB9546

accent

#B13FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C408A

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

Preview Lab → · Contrast checker → · Palette generator →