#1C489D#1C489D

#1C489D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.147 H 261.8°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C489D
RGB	rgb(28, 72, 157)
HSL	hsl(220, 70%, 36%)
HSV	hsv(220, 82%, 62%)
CMYK	cmyk(82.2%, 54.1%, 0%, 38.4%)
CIE-LAB	lab(32.51, 17.77, -50.48)
CIE-LCH	lch(32.51, 53.51, 289.39°)
OKLab	oklab(42.43% -0.021 -0.1456)
OKLCH	oklch(42.43% 0.147 261.8)
XYZ	xyz(8.8799, 7.3149, 32.8357)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C489D #9D711C

analogous

#1C899D #1C489D #311C9D

triadic

#1C489D #9D1C48 #489D1C

tetradic

#1C489D #9D1C89 #9D711C #1C9D31

square

#1C489D #9D1C89 #9D711C #1C9D31

split-complementary

#1C489D #9D311C #899D1C

monochromatic

#091835 #133069 #1C489D #2560D1 #5383E0

Accessibility & contrast

On white

8.53

#1C489D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1C489D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C489D

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C489D	#FFFFFF	#000000	##FFFFFF
##1C489D	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0353A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c489d;
/* rgb */ color: rgb(28, 72, 157);
/* oklch */ color: oklch(42.4% 0.147 261.8);

Tailwind

colors: {
  custom: {
    50: '#6f7abb',
    500: '#1c489d',
    950: '#000000',
  },
}

SCSS

$custom: #1c489d;
$custom-light: #6f7abb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c489d",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 157
  },
  "hsl": {
    "h": 219.535,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42432,
    "c": 0.14706,
    "h": 261.8
  },
  "luminance": 0.07316
}

Semantic roles & 50–950 ramp

primary

#1C489D

secondary

#C39C51

accent

#B03BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C489D

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

Preview Lab → · Contrast checker → · Palette generator →