#1C449B#1C449B

#1C449B is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.149 H 263.0°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#1C449B
RGB	rgb(28, 68, 155)
HSL	hsl(221, 69%, 36%)
HSV	hsv(221, 82%, 61%)
CMYK	cmyk(81.9%, 56.1%, 0%, 39.2%)
CIE-LAB	lab(31.22, 19.70, -51.36)
CIE-LCH	lch(31.22, 55.01, 290.98°)
OKLab	oklab(41.4% -0.0183 -0.1482)
OKLCH	oklch(41.4% 0.149 263)
XYZ	xyz(8.4603, 6.7467, 31.8603)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C449B #9B731C

analogous

#1C839B #1C449B #331C9B

triadic

#1C449B #9B1C44 #449B1C

tetradic

#1C449B #9B1C83 #9B731C #1C9B33

square

#1C449B #9B1C83 #9B731C #1C9B33

split-complementary

#1C449B #9B331C #839B1C

monochromatic

#091733 #132D67 #1C449B #255BCF #527EE0

Accessibility & contrast

On white

8.94

#1C449B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1C449B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C449B

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C449B	#FFFFFF	#000000	##FFFFFF
##1C449B	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004499

Tritanopia (blue-blind)

#005A68

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c449b;
/* rgb */ color: rgb(28, 68, 155);
/* oklch */ color: oklch(41.4% 0.149 263.0);

Tailwind

colors: {
  custom: {
    50: '#6f77b9',
    500: '#1c449b',
    950: '#000000',
  },
}

SCSS

$custom: #1c449b;
$custom-light: #6f77b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c449b",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 155
  },
  "hsl": {
    "h": 221.102,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41405,
    "c": 0.14937,
    "h": 263
  },
  "luminance": 0.06748
}

Semantic roles & 50–950 ramp

primary

#1C449B

secondary

#C39F50

accent

#B53CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #1C449B

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

Preview Lab → · Contrast checker → · Palette generator →