#1C4998#1C4998

#1C4998 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.3% C 0.139 H 260.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#1C4998
RGB	rgb(28, 73, 152)
HSL	hsl(218, 69%, 35%)
HSV	hsv(218, 82%, 60%)
CMYK	cmyk(81.6%, 52%, 0%, 40.4%)
CIE-LAB	lab(32.43, 15.08, -47.58)
CIE-LCH	lch(32.43, 49.91, 287.58°)
OKLab	oklab(42.25% -0.0223 -0.137)
OKLCH	oklch(42.25% 0.139 260.8)
XYZ	xyz(8.5269, 7.2779, 30.6551)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4998 #986B1C

analogous

#1C8798 #1C4998 #2D1C98

triadic

#1C4998 #981C49 #49981C

tetradic

#1C4998 #981C87 #986B1C #1C982D

square

#1C4998 #981C87 #986B1C #1C982D

split-complementary

#1C4998 #982D1C #87981C

monochromatic

#091731 #123064 #1C4998 #2662CC #5084DF

Accessibility & contrast

On white

8.55

#1C4998 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1C4998 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4998

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4998	#FFFFFF	#000000	##FFFFFF
##1C4998	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15529B

Deuteranopia (green-blind)

#004796

Tritanopia (blue-blind)

#005C69

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4998;
/* rgb */ color: rgb(28, 73, 152);
/* oklch */ color: oklch(42.3% 0.139 260.8);

Tailwind

colors: {
  custom: {
    50: '#6d7bb7',
    500: '#1c4998',
    950: '#000000',
  },
}

SCSS

$custom: #1c4998;
$custom-light: #6d7bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4998",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 152
  },
  "hsl": {
    "h": 218.226,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42252,
    "c": 0.13882,
    "h": 260.8
  },
  "luminance": 0.07279
}

Semantic roles & 50–950 ramp

primary

#1C4998

secondary

#C1984E

accent

#AC3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4998

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

Preview Lab → · Contrast checker → · Palette generator →