#1C418B#1C418B

#1C418B is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.4% C 0.131 H 262.2°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C418B
RGB	rgb(28, 65, 139)
HSL	hsl(220, 66%, 33%)
HSV	hsv(220, 80%, 55%)
CMYK	cmyk(79.9%, 53.2%, 0%, 45.5%)
CIE-LAB	lab(29.14, 15.31, -44.95)
CIE-LCH	lch(29.14, 47.49, 288.81°)
OKLab	oklab(39.43% -0.0177 -0.1295)
OKLCH	oklch(39.43% 0.131 262.2)
XYZ	xyz(7.0277, 5.8907, 25.1877)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C418B #8B661C

analogous

#1C788B #1C418B #2E1C8B

triadic

#1C418B #8B1C41 #418B1C

tetradic

#1C418B #8B1C78 #8B661C #1C8B2E

square

#1C418B #8B1C78 #8B661C #1C8B2E

split-complementary

#1C418B #8B2E1C #788B1C

monochromatic

#071125 #122958 #1C418B #2659BE #4778DA

Accessibility & contrast

On white

9.64

#1C418B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1C418B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C418B

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C418B	#FFFFFF	#000000	##FFFFFF
##1C418B	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)

#0E4A8E

Deuteranopia (green-blind)

#00408A

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c418b;
/* rgb */ color: rgb(28, 65, 139);
/* oklch */ color: oklch(39.4% 0.131 262.2);

Tailwind

colors: {
  custom: {
    50: '#6b75ad',
    500: '#1c418b',
    950: '#000000',
  },
}

SCSS

$custom: #1c418b;
$custom-light: #6b75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c418b",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 139
  },
  "hsl": {
    "h": 220,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39434,
    "c": 0.13066,
    "h": 262.2
  },
  "luminance": 0.05892
}

Semantic roles & 50–950 ramp

primary

#1C418B

secondary

#BC9547

accent

#B03EE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C418B

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

Preview Lab → · Contrast checker → · Palette generator →