#1C488D#1C488D

#1C488D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.2% C 0.125 H 259.3°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C488D
RGB	rgb(28, 72, 141)
HSL	hsl(217, 67%, 33%)
HSV	hsv(217, 80%, 55%)
CMYK	cmyk(80.1%, 48.9%, 0%, 44.7%)
CIE-LAB	lab(31.36, 11.31, -42.60)
CIE-LCH	lch(31.36, 44.08, 284.87°)
OKLab	oklab(41.18% -0.0231 -0.1224)
OKLCH	oklch(41.18% 0.125 259.3)
XYZ	xyz(7.6022, 6.8038, 26.1067)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C488D #8D611C

analogous

#1C808D #1C488D #281C8D

triadic

#1C488D #8D1C48 #488D1C

tetradic

#1C488D #8D1C80 #8D611C #1C8D28

square

#1C488D #8D1C80 #8D611C #1C8D28

split-complementary

#1C488D #8D281C #808D1C

monochromatic

#081427 #122E5A #1C488D #2662C0 #4982DB

Accessibility & contrast

On white

8.89

#1C488D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1C488D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C488D

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C488D	#FFFFFF	#000000	##FFFFFF
##1C488D	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214F90

Deuteranopia (green-blind)

#00458C

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c488d;
/* rgb */ color: rgb(28, 72, 141);
/* oklch */ color: oklch(41.2% 0.125 259.3);

Tailwind

colors: {
  custom: {
    50: '#6b7aaf',
    500: '#1c488d',
    950: '#000000',
  },
}

SCSS

$custom: #1c488d;
$custom-light: #6b7aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c488d",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 141
  },
  "hsl": {
    "h": 216.637,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.41179,
    "c": 0.12456,
    "h": 259.3
  },
  "luminance": 0.06805
}

Semantic roles & 50–950 ramp

primary

#1C488D

secondary

#BD8F48

accent

#A73EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1C488D

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

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