#1C4993#1C4993

#1C4993 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.9% C 0.132 H 259.9°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#1C4993
RGB	rgb(28, 73, 147)
HSL	hsl(217, 68%, 34%)
HSV	hsv(217, 81%, 58%)
CMYK	cmyk(81%, 50.3%, 0%, 42.4%)
CIE-LAB	lab(32.07, 13.06, -45.12)
CIE-LCH	lch(32.07, 46.97, 286.14°)
OKLab	oklab(41.86% -0.023 -0.1298)
OKLCH	oklch(41.86% 0.132 259.9)
XYZ	xyz(8.1260, 7.1176, 28.5437)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4993 #93661C

analogous

#1C8593 #1C4993 #2B1C93

triadic

#1C4993 #931C49 #49931C

tetradic

#1C4993 #931C85 #93661C #1C932B

square

#1C4993 #931C85 #93661C #1C932B

split-complementary

#1C4993 #932B1C #85931C

monochromatic

#08162C #122F60 #1C4993 #2663C6 #4C83DD

Accessibility & contrast

On white

8.66

#1C4993 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1C4993 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4993

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4993	#FFFFFF	#000000	##FFFFFF
##1C4993	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5196

Deuteranopia (green-blind)

#004692

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4993;
/* rgb */ color: rgb(28, 73, 147);
/* oklch */ color: oklch(41.9% 0.132 259.9);

Tailwind

colors: {
  custom: {
    50: '#6c7bb3',
    500: '#1c4993',
    950: '#000000',
  },
}

SCSS

$custom: #1c4993;
$custom-light: #6c7bb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4993",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 147
  },
  "hsl": {
    "h": 217.311,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.41864,
    "c": 0.13179,
    "h": 259.9
  },
  "luminance": 0.07119
}

Semantic roles & 50–950 ramp

primary

#1C4993

secondary

#BF944C

accent

#A93DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4993

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

Preview Lab → · Contrast checker → · Palette generator →