#1C3EA8#1C3EA8

#1C3EA8 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.175 H 265.4°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C3EA8
RGB	rgb(28, 62, 168)
HSL	hsl(225, 71%, 38%)
HSV	hsv(225, 83%, 66%)
CMYK	cmyk(83.3%, 63.1%, 0%, 34.1%)
CIE-LAB	lab(30.68, 28.90, -60.08)
CIE-LCH	lch(30.68, 66.67, 295.69°)
OKLab	oklab(41.34% -0.0141 -0.1739)
OKLCH	oklch(41.34% 0.175 265.4)
XYZ	xyz(9.2669, 6.5182, 37.8079)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3EA8 #A8861C

analogous

#1C84A8 #1C3EA8 #401CA8

triadic

#1C3EA8 #A81C3E #3EA81C

tetradic

#1C3EA8 #A81C84 #A8861C #1CA840

square

#1C3EA8 #A81C84 #A8861C #1CA840

split-complementary

#1C3EA8 #A8401C #84A81C

monochromatic

#0B173F #132B74 #1C3EA8 #2652DB #5B7CE4

Accessibility & contrast

On white

9.12

#1C3EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1C3EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3EA8

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3EA8	#FFFFFF	#000000	##FFFFFF
##1C3EA8	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c3ea8;
/* rgb */ color: rgb(28, 62, 168);
/* oklch */ color: oklch(41.3% 0.175 265.4);

Tailwind

colors: {
  custom: {
    50: '#7273c3',
    500: '#1c3ea8',
    950: '#000000',
  },
}

SCSS

$custom: #1c3ea8;
$custom-light: #7273c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3ea8",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 168
  },
  "hsl": {
    "h": 225.429,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4134,
    "c": 0.17451,
    "h": 265.4
  },
  "luminance": 0.06519
}

Semantic roles & 50–950 ramp

primary

#1C3EA8

secondary

#C7AC58

accent

#C23AEE

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#090813

muted

#7B7B82

Preview Lab

Preview with #1C3EA8

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

Preview Lab → · Contrast checker → · Palette generator →