#1C4988#1C4988

#1C4988 is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.0% C 0.116 H 257.6°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C4988
RGB	rgb(28, 73, 136)
HSL	hsl(215, 66%, 32%)
HSV	hsv(215, 79%, 53%)
CMYK	cmyk(79.4%, 46.3%, 0%, 46.7%)
CIE-LAB	lab(31.32, 8.60, -39.58)
CIE-LCH	lch(31.32, 40.51, 282.26°)
OKLab	oklab(41.04% -0.0249 -0.1135)
OKLCH	oklch(41.04% 0.116 257.6)
XYZ	xyz(7.3037, 6.7887, 24.2132)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4988 #885B1C

analogous

#1C7F88 #1C4988 #251C88

triadic

#1C4988 #881C49 #49881C

tetradic

#1C4988 #881C7F #885B1C #1C8825

square

#1C4988 #881C7F #885B1C #1C8825

split-complementary

#1C4988 #88251C #7F881C

monochromatic

#071322 #122E55 #1C4988 #2664BB #4683D9

Accessibility & contrast

On white

8.91

#1C4988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1C4988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4988

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4988	#FFFFFF	#000000	##FFFFFF
##1C4988	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284F8A

Deuteranopia (green-blind)

#114587

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4988;
/* rgb */ color: rgb(28, 73, 136);
/* oklch */ color: oklch(41.0% 0.116 257.6);

Tailwind

colors: {
  custom: {
    50: '#697bab',
    500: '#1c4988',
    950: '#000000',
  },
}

SCSS

$custom: #1c4988;
$custom-light: #697bab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4988",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 136
  },
  "hsl": {
    "h": 215,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41044,
    "c": 0.11619,
    "h": 257.6
  },
  "luminance": 0.0679
}

Semantic roles & 50–950 ramp

primary

#1C4988

secondary

#BA8A45

accent

#A23FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1C4988

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

Preview Lab → · Contrast checker → · Palette generator →