#1C4EA0#1C4EA0

#1C4EA0 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.0% C 0.144 H 260.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1C4EA0
RGB	rgb(28, 78, 160)
HSL	hsl(217, 70%, 37%)
HSV	hsv(217, 83%, 63%)
CMYK	cmyk(82.5%, 51.2%, 0%, 37.3%)
CIE-LAB	lab(34.46, 14.90, -49.13)
CIE-LCH	lch(34.46, 51.34, 286.88°)
OKLab	oklab(43.99% -0.025 -0.1415)
OKLCH	oklch(43.99% 0.144 260)
XYZ	xyz(9.5461, 8.2326, 34.3368)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4EA0 #A06E1C

analogous

#1C90A0 #1C4EA0 #2C1CA0

triadic

#1C4EA0 #A01C4E #4EA01C

tetradic

#1C4EA0 #A01C90 #A06E1C #1CA02C

square

#1C4EA0 #A01C90 #A06E1C #1CA02C

split-complementary

#1C4EA0 #A02C1C #90A01C

monochromatic

#0A1B38 #13356C #1C4EA0 #2567D4 #558AE1

Accessibility & contrast

On white

7.93

#1C4EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1C4EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4EA0

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4EA0	#FFFFFF	#000000	##FFFFFF
##1C4EA0	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1957A3

Deuteranopia (green-blind)

#004B9E

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1c4ea0;
/* rgb */ color: rgb(28, 78, 160);
/* oklch */ color: oklch(44.0% 0.144 260.0);

Tailwind

colors: {
  custom: {
    50: '#6f7ebd',
    500: '#1c4ea0',
    950: '#000000',
  },
}

SCSS

$custom: #1c4ea0;
$custom-light: #6f7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4ea0",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 160
  },
  "hsl": {
    "h": 217.273,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43988,
    "c": 0.14367,
    "h": 260
  },
  "luminance": 0.08234
}

Semantic roles & 50–950 ramp

primary

#1C4EA0

secondary

#C49A53

accent

#AA3BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C4EA0

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

Preview Lab → · Contrast checker → · Palette generator →