#1C4A98#1C4A98

#1C4A98 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.138 H 260.3°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C4A98
RGB	rgb(28, 74, 152)
HSL	hsl(218, 69%, 35%)
HSV	hsv(218, 82%, 60%)
CMYK	cmyk(81.6%, 51.3%, 0%, 40.4%)
CIE-LAB	lab(32.72, 14.39, -47.11)
CIE-LCH	lch(32.72, 49.26, 286.99°)
OKLab	oklab(42.48% -0.0231 -0.1356)
OKLCH	oklch(42.48% 0.138 260.3)
XYZ	xyz(8.5931, 7.4104, 30.6771)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4A98 #986A1C

analogous

#1C8898 #1C4A98 #2C1C98

triadic

#1C4A98 #981C4A #4A981C

tetradic

#1C4A98 #981C88 #986A1C #1C982C

square

#1C4A98 #981C88 #986A1C #1C982C

split-complementary

#1C4A98 #982C1C #88981C

monochromatic

#091831 #123164 #1C4A98 #2663CC #5085DF

Accessibility & contrast

On white

8.46

#1C4A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1C4A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4A98

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4A98	#FFFFFF	#000000	##FFFFFF
##1C4A98	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19539B

Deuteranopia (green-blind)

#004896

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c4a98;
/* rgb */ color: rgb(28, 74, 152);
/* oklch */ color: oklch(42.5% 0.138 260.3);

Tailwind

colors: {
  custom: {
    50: '#6d7bb7',
    500: '#1c4a98',
    950: '#000000',
  },
}

SCSS

$custom: #1c4a98;
$custom-light: #6d7bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4a98",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 152
  },
  "hsl": {
    "h": 217.742,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42475,
    "c": 0.13756,
    "h": 260.3
  },
  "luminance": 0.07411
}

Semantic roles & 50–950 ramp

primary

#1C4A98

secondary

#C1974E

accent

#AB3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4A98

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

Preview Lab → · Contrast checker → · Palette generator →