#1C4897#1C4897

#1C4897 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.0% C 0.139 H 261.0°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C4897
RGB	rgb(28, 72, 151)
HSL	hsl(219, 69%, 35%)
HSV	hsv(219, 81%, 59%)
CMYK	cmyk(81.5%, 52.3%, 0%, 40.8%)
CIE-LAB	lab(32.07, 15.35, -47.56)
CIE-LCH	lch(32.07, 49.98, 287.89°)
OKLab	oklab(41.95% -0.0217 -0.137)
OKLCH	oklch(41.95% 0.139 261)
XYZ	xyz(8.3801, 7.1150, 30.2038)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4897 #976B1C

analogous

#1C8597 #1C4897 #2E1C97

triadic

#1C4897 #971C48 #48971C

tetradic

#1C4897 #971C85 #976B1C #1C972E

square

#1C4897 #971C85 #976B1C #1C972E

split-complementary

#1C4897 #972E1C #85971C

monochromatic

#091730 #122F63 #1C4897 #2661CB #4F82DE

Accessibility & contrast

On white

8.67

#1C4897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1C4897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4897

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4897	#FFFFFF	#000000	##FFFFFF
##1C4897	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13519A

Deuteranopia (green-blind)

#004695

Tritanopia (blue-blind)

#005B68

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4897;
/* rgb */ color: rgb(28, 72, 151);
/* oklch */ color: oklch(42.0% 0.139 261.0);

Tailwind

colors: {
  custom: {
    50: '#6d7ab6',
    500: '#1c4897',
    950: '#000000',
  },
}

SCSS

$custom: #1c4897;
$custom-light: #6d7ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4897",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 151
  },
  "hsl": {
    "h": 218.537,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41951,
    "c": 0.13869,
    "h": 261
  },
  "luminance": 0.07116
}

Semantic roles & 50–950 ramp

primary

#1C4897

secondary

#C1984E

accent

#AD3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4897

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

Preview Lab → · Contrast checker → · Palette generator →