#1C4088#1C4088

#1C4088 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.128 H 262.2°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C4088
RGB	rgb(28, 64, 136)
HSL	hsl(220, 66%, 32%)
HSV	hsv(220, 79%, 53%)
CMYK	cmyk(79.4%, 52.9%, 0%, 46.7%)
CIE-LAB	lab(28.62, 14.79, -43.94)
CIE-LCH	lch(28.62, 46.36, 288.60°)
OKLab	oklab(38.97% -0.0172 -0.1265)
OKLCH	oklch(38.97% 0.128 262.2)
XYZ	xyz(6.7546, 5.6905, 24.0302)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4088 #88641C

analogous

#1C7688 #1C4088 #2E1C88

triadic

#1C4088 #881C40 #40881C

tetradic

#1C4088 #881C76 #88641C #1C882E

square

#1C4088 #881C76 #88641C #1C882E

split-complementary

#1C4088 #882E1C #76881C

monochromatic

#071022 #122855 #1C4088 #2658BB #4677D9

Accessibility & contrast

On white

9.82

#1C4088 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1C4088 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4088

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4088	#FFFFFF	#000000	##FFFFFF
##1C4088	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10498B

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c4088;
/* rgb */ color: rgb(28, 64, 136);
/* oklch */ color: oklch(39.0% 0.128 262.2);

Tailwind

colors: {
  custom: {
    50: '#6a74ab',
    500: '#1c4088',
    950: '#000000',
  },
}

SCSS

$custom: #1c4088;
$custom-light: #6a74ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4088",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 136
  },
  "hsl": {
    "h": 220,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38969,
    "c": 0.12766,
    "h": 262.2
  },
  "luminance": 0.05691
}

Semantic roles & 50–950 ramp

primary

#1C4088

secondary

#BA9345

accent

#B03FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C4088

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

Preview Lab → · Contrast checker → · Palette generator →