#1C4298#1C4298

#1C4298 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.148 H 263.3°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C4298
RGB	rgb(28, 66, 152)
HSL	hsl(222, 69%, 35%)
HSV	hsv(222, 82%, 60%)
CMYK	cmyk(81.6%, 56.6%, 0%, 40.4%)
CIE-LAB	lab(30.42, 19.87, -50.84)
CIE-LCH	lch(30.42, 54.58, 291.35°)
OKLab	oklab(40.73% -0.0172 -0.1467)
OKLCH	oklch(40.73% 0.148 263.3)
XYZ	xyz(8.0926, 6.4093, 30.5103)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4298 #98721C

analogous

#1C8098 #1C4298 #341C98

triadic

#1C4298 #981C42 #42981C

tetradic

#1C4298 #981C80 #98721C #1C9834

square

#1C4298 #981C80 #98721C #1C9834

split-complementary

#1C4298 #98341C #80981C

monochromatic

#091531 #122C64 #1C4298 #2658CC #507CDF

Accessibility & contrast

On white

9.20

#1C4298 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C4298 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4298

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4298	#FFFFFF	#000000	##FFFFFF
##1C4298	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9B

Deuteranopia (green-blind)

#004296

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4298;
/* rgb */ color: rgb(28, 66, 152);
/* oklch */ color: oklch(40.7% 0.148 263.3);

Tailwind

colors: {
  custom: {
    50: '#6e75b7',
    500: '#1c4298',
    950: '#000000',
  },
}

SCSS

$custom: #1c4298;
$custom-light: #6e75b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4298",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 152
  },
  "hsl": {
    "h": 221.613,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40726,
    "c": 0.14774,
    "h": 263.3
  },
  "luminance": 0.0641
}

Semantic roles & 50–950 ramp

primary

#1C4298

secondary

#C19E4E

accent

#B63CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4298

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

Preview Lab → · Contrast checker → · Palette generator →