#1C489F#1C489F

#1C489F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.150 H 262.0°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C489F
RGB	rgb(28, 72, 159)
HSL	hsl(220, 70%, 37%)
HSV	hsv(220, 82%, 62%)
CMYK	cmyk(82.4%, 54.7%, 0%, 37.6%)
CIE-LAB	lab(32.66, 18.57, -51.44)
CIE-LCH	lch(32.66, 54.69, 289.85°)
OKLab	oklab(42.6% -0.0207 -0.1484)
OKLCH	oklch(42.6% 0.15 262)
XYZ	xyz(9.0520, 7.3837, 33.7423)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C489F #9F731C

analogous

#1C8A9F #1C489F #321C9F

triadic

#1C489F #9F1C48 #489F1C

tetradic

#1C489F #9F1C8A #9F731C #1C9F32

square

#1C489F #9F1C8A #9F731C #1C9F32

split-complementary

#1C489F #9F321C #8A9F1C

monochromatic

#0A1937 #13306B #1C489F #2560D3 #5484E1

Accessibility & contrast

On white

8.48

#1C489F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1C489F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C489F

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C489F	#FFFFFF	#000000	##FFFFFF
##1C489F	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c489f;
/* rgb */ color: rgb(28, 72, 159);
/* oklch */ color: oklch(42.6% 0.150 262.0);

Tailwind

colors: {
  custom: {
    50: '#6f7abc',
    500: '#1c489f',
    950: '#000000',
  },
}

SCSS

$custom: #1c489f;
$custom-light: #6f7abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c489f",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 159
  },
  "hsl": {
    "h": 219.847,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42595,
    "c": 0.14983,
    "h": 262
  },
  "luminance": 0.07385
}

Semantic roles & 50–950 ramp

primary

#1C489F

secondary

#C49E53

accent

#B13BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C489F

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

Preview Lab → · Contrast checker → · Palette generator →