#1C448A#1C448A

#1C448A is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.125 H 260.7°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#1C448A
RGB	rgb(28, 68, 138)
HSL	hsl(218, 66%, 33%)
HSV	hsv(218, 80%, 54%)
CMYK	cmyk(79.7%, 50.7%, 0%, 45.9%)
CIE-LAB	lab(29.95, 12.83, -43.02)
CIE-LCH	lch(29.95, 44.90, 286.61°)
OKLab	oklab(40.03% -0.0203 -0.1237)
OKLCH	oklch(40.03% 0.125 260.7)
XYZ	xyz(7.1318, 6.2153, 24.8636)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C448A #8A621C

analogous

#1C7B8A #1C448A #2B1C8A

triadic

#1C448A #8A1C44 #448A1C

tetradic

#1C448A #8A1C7B #8A621C #1C8A2B

square

#1C448A #8A1C7B #8A621C #1C8A2B

split-complementary

#1C448A #8A2B1C #7B8A1C

monochromatic

#071224 #122B57 #1C448A #265DBD #477CDA

Accessibility & contrast

On white

9.36

#1C448A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1C448A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C448A

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C448A	#FFFFFF	#000000	##FFFFFF
##1C448A	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4C8D

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#005560

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c448a;
/* rgb */ color: rgb(28, 68, 138);
/* oklch */ color: oklch(40.0% 0.125 260.7);

Tailwind

colors: {
  custom: {
    50: '#6a77ad',
    500: '#1c448a',
    950: '#000000',
  },
}

SCSS

$custom: #1c448a;
$custom-light: #6a77ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c448a",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 138
  },
  "hsl": {
    "h": 218.182,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40032,
    "c": 0.12536,
    "h": 260.7
  },
  "luminance": 0.06216
}

Semantic roles & 50–950 ramp

primary

#1C448A

secondary

#BB9146

accent

#AB3FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C448A

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

Preview Lab → · Contrast checker → · Palette generator →