#1C488A#1C488A

#1C488A is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.0% C 0.120 H 258.7°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#1C488A
RGB	rgb(28, 72, 138)
HSL	hsl(216, 66%, 33%)
HSV	hsv(216, 80%, 54%)
CMYK	cmyk(79.7%, 47.8%, 0%, 45.9%)
CIE-LAB	lab(31.15, 10.09, -41.09)
CIE-LCH	lch(31.15, 42.31, 283.80°)
OKLab	oklab(40.96% -0.0237 -0.1179)
OKLCH	oklch(40.96% 0.12 258.7)
XYZ	xyz(7.3820, 6.7157, 24.9470)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C488A #8A5E1C

analogous

#1C7F8A #1C488A #271C8A

triadic

#1C488A #8A1C48 #488A1C

tetradic

#1C488A #8A1C7F #8A5E1C #1C8A27

square

#1C488A #8A1C7F #8A5E1C #1C8A27

split-complementary

#1C488A #8A271C #7F8A1C

monochromatic

#071324 #122D57 #1C488A #2663BD #4782DA

Accessibility & contrast

On white

8.96

#1C488A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1C488A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C488A

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C488A	#FFFFFF	#000000	##FFFFFF
##1C488A	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244F8C

Deuteranopia (green-blind)

#074589

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c488a;
/* rgb */ color: rgb(28, 72, 138);
/* oklch */ color: oklch(41.0% 0.120 258.7);

Tailwind

colors: {
  custom: {
    50: '#6a7aad',
    500: '#1c488a',
    950: '#000000',
  },
}

SCSS

$custom: #1c488a;
$custom-light: #6a7aad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c488a",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 138
  },
  "hsl": {
    "h": 216,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40955,
    "c": 0.12029,
    "h": 258.7
  },
  "luminance": 0.06717
}

Semantic roles & 50–950 ramp

primary

#1C488A

secondary

#BB8D46

accent

#A53FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1C488A

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

Preview Lab → · Contrast checker → · Palette generator →