#1C478F#1C478F

#1C478F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.1% C 0.129 H 260.2°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#1C478F
RGB	rgb(28, 71, 143)
HSL	hsl(218, 67%, 34%)
HSV	hsv(218, 80%, 56%)
CMYK	cmyk(80.4%, 50.3%, 0%, 43.9%)
CIE-LAB	lab(31.20, 12.80, -44.08)
CIE-LCH	lch(31.20, 45.91, 286.19°)
OKLab	oklab(41.1% -0.022 -0.1268)
OKLCH	oklch(41.1% 0.129 260.2)
XYZ	xyz(7.6883, 6.7356, 26.8762)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C478F #8F641C

analogous

#1C808F #1C478F #2A1C8F

triadic

#1C478F #8F1C47 #478F1C

tetradic

#1C478F #8F1C80 #8F641C #1C8F2A

square

#1C478F #8F1C80 #8F641C #1C8F2A

split-complementary

#1C478F #8F2A1C #808F1C

monochromatic

#081429 #122E5C #1C478F #2660C2 #4A80DC

Accessibility & contrast

On white

8.95

#1C478F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1C478F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C478F

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C478F	#FFFFFF	#000000	##FFFFFF
##1C478F	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4F92

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c478f;
/* rgb */ color: rgb(28, 71, 143);
/* oklch */ color: oklch(41.1% 0.129 260.2);

Tailwind

colors: {
  custom: {
    50: '#6b79b0',
    500: '#1c478f',
    950: '#000000',
  },
}

SCSS

$custom: #1c478f;
$custom-light: #6b79b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c478f",
  "rgb": {
    "r": 28,
    "g": 71,
    "b": 143
  },
  "hsl": {
    "h": 217.565,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41102,
    "c": 0.12867,
    "h": 260.2
  },
  "luminance": 0.06737
}

Semantic roles & 50–950 ramp

primary

#1C478F

secondary

#BE9249

accent

#AA3EEA

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1C478F

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

Preview Lab → · Contrast checker → · Palette generator →