#1C4894#1C4894

#1C4894 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.7% C 0.134 H 260.6°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C4894
RGB	rgb(28, 72, 148)
HSL	hsl(218, 68%, 35%)
HSV	hsv(218, 81%, 58%)
CMYK	cmyk(81.1%, 51.4%, 0%, 42%)
CIE-LAB	lab(31.85, 14.14, -46.09)
CIE-LCH	lch(31.85, 48.21, 287.06°)
OKLab	oklab(41.72% -0.0221 -0.1326)
OKLCH	oklch(41.72% 0.134 260.6)
XYZ	xyz(8.1396, 7.0188, 28.9370)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4894 #94681C

analogous

#1C8494 #1C4894 #2C1C94

triadic

#1C4894 #941C48 #48941C

tetradic

#1C4894 #941C84 #94681C #1C942C

square

#1C4894 #941C84 #94681C #1C942C

split-complementary

#1C4894 #942C1C #84941C

monochromatic

#09162D #122F61 #1C4894 #2661C7 #4D82DD

Accessibility & contrast

On white

8.74

#1C4894 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1C4894 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4894

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4894	#FFFFFF	#000000	##FFFFFF
##1C4894	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185197

Deuteranopia (green-blind)

#004692

Tritanopia (blue-blind)

#005A67

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4894;
/* rgb */ color: rgb(28, 72, 148);
/* oklch */ color: oklch(41.7% 0.134 260.6);

Tailwind

colors: {
  custom: {
    50: '#6c7ab4',
    500: '#1c4894',
    950: '#000000',
  },
}

SCSS

$custom: #1c4894;
$custom-light: #6c7ab4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4894",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 148
  },
  "hsl": {
    "h": 218,
    "s": 68.182,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41715,
    "c": 0.13447,
    "h": 260.6
  },
  "luminance": 0.0702
}

Semantic roles & 50–950 ramp

primary

#1C4894

secondary

#C0954C

accent

#AB3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4894

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

Preview Lab → · Contrast checker → · Palette generator →