#1C488C#1C488C

#1C488C is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.1% C 0.123 H 259.1°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C488C
RGB	rgb(28, 72, 140)
HSL	hsl(216, 67%, 33%)
HSV	hsv(216, 80%, 55%)
CMYK	cmyk(80%, 48.6%, 0%, 45.1%)
CIE-LAB	lab(31.29, 10.90, -42.10)
CIE-LCH	lch(31.29, 43.49, 284.52°)
OKLab	oklab(41.1% -0.0233 -0.1209)
OKLCH	oklch(41.1% 0.123 259.1)
XYZ	xyz(7.5281, 6.7742, 25.7166)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C488C #8C601C

analogous

#1C808C #1C488C #281C8C

triadic

#1C488C #8C1C48 #488C1C

tetradic

#1C488C #8C1C80 #8C601C #1C8C28

square

#1C488C #8C1C80 #8C601C #1C8C28

split-complementary

#1C488C #8C281C #808C1C

monochromatic

#081426 #122E59 #1C488C #2662BF #4882DA

Accessibility & contrast

On white

8.92

#1C488C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1C488C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C488C

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C488C	#FFFFFF	#000000	##FFFFFF
##1C488C	1.00	8.92	2.36	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224F8F

Deuteranopia (green-blind)

#01458B

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c488c;
/* rgb */ color: rgb(28, 72, 140);
/* oklch */ color: oklch(41.1% 0.123 259.1);

Tailwind

colors: {
  custom: {
    50: '#6a7aae',
    500: '#1c488c',
    950: '#000000',
  },
}

SCSS

$custom: #1c488c;
$custom-light: #6a7aae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c488c",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 140
  },
  "hsl": {
    "h": 216.429,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.41104,
    "c": 0.12314,
    "h": 259.1
  },
  "luminance": 0.06775
}

Semantic roles & 50–950 ramp

primary

#1C488C

secondary

#BC8E48

accent

#A63EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1C488C

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

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