#1C4D98#1C4D98

#1C4D98 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.134 H 259.0°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D98
RGB	rgb(28, 77, 152)
HSL	hsl(216, 69%, 35%)
HSV	hsv(216, 82%, 60%)
CMYK	cmyk(81.6%, 49.3%, 0%, 40.4%)
CIE-LAB	lab(33.61, 12.36, -45.68)
CIE-LCH	lch(33.61, 47.33, 285.14°)
OKLab	oklab(43.15% -0.0254 -0.1314)
OKLCH	oklch(43.15% 0.134 259)
XYZ	xyz(8.7982, 7.8206, 30.7455)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D98 #98671C

analogous

#1C8B98 #1C4D98 #291C98

triadic

#1C4D98 #981C4D #4D981C

tetradic

#1C4D98 #981C8B #98671C #1C9829

square

#1C4D98 #981C8B #98671C #1C9829

split-complementary

#1C4D98 #98291C #8B981C

monochromatic

#091931 #123364 #1C4D98 #2667CC #5088DF

Accessibility & contrast

On white

8.19

#1C4D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1C4D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D98

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D98	#FFFFFF	#000000	##FFFFFF
##1C4D98	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21559B

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c4d98;
/* rgb */ color: rgb(28, 77, 152);
/* oklch */ color: oklch(43.2% 0.134 259.0);

Tailwind

colors: {
  custom: {
    50: '#6d7eb7',
    500: '#1c4d98',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d98;
$custom-light: #6d7eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d98",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 152
  },
  "hsl": {
    "h": 216.29,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43152,
    "c": 0.1338,
    "h": 259
  },
  "luminance": 0.07822
}

Semantic roles & 50–950 ramp

primary

#1C4D98

secondary

#C1944E

accent

#A63CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4D98

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

Preview Lab → · Contrast checker → · Palette generator →