#1C4EA4#1C4EA4

#1C4EA4 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.3% C 0.149 H 260.6°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C4EA4
RGB	rgb(28, 78, 164)
HSL	hsl(218, 71%, 38%)
HSV	hsv(218, 83%, 64%)
CMYK	cmyk(82.9%, 52.4%, 0%, 35.7%)
CIE-LAB	lab(34.75, 16.51, -51.06)
CIE-LCH	lch(34.75, 53.66, 287.92°)
OKLab	oklab(44.3% -0.0245 -0.1472)
OKLCH	oklch(44.3% 0.149 260.6)
XYZ	xyz(9.9017, 8.3748, 36.2094)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4EA4 #A4721C

analogous

#1C92A4 #1C4EA4 #2E1CA4

triadic

#1C4EA4 #A41C4E #4EA41C

tetradic

#1C4EA4 #A41C92 #A4721C #1CA42E

square

#1C4EA4 #A41C92 #A4721C #1CA42E

split-complementary

#1C4EA4 #A42E1C #92A41C

monochromatic

#0A1C3B #133570 #1C4EA4 #2567D8 #588BE2

Accessibility & contrast

On white

7.85

#1C4EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1C4EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4EA4

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4EA4	#FFFFFF	#000000	##FFFFFF
##1C4EA4	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1258A7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c4ea4;
/* rgb */ color: rgb(28, 78, 164);
/* oklch */ color: oklch(44.3% 0.149 260.6);

Tailwind

colors: {
  custom: {
    50: '#707ec0',
    500: '#1c4ea4',
    950: '#000000',
  },
}

SCSS

$custom: #1c4ea4;
$custom-light: #707ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4ea4",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 164
  },
  "hsl": {
    "h": 217.941,
    "s": 70.833,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44301,
    "c": 0.14918,
    "h": 260.6
  },
  "luminance": 0.08376
}

Semantic roles & 50–950 ramp

primary

#1C4EA4

secondary

#C69D56

accent

#AC3AEE

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C4EA4

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

Preview Lab → · Contrast checker → · Palette generator →