#1C4F98#1C4F98

#1C4F98 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.6% C 0.131 H 258.1°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F98
RGB	rgb(28, 79, 152)
HSL	hsl(215, 69%, 35%)
HSV	hsv(215, 82%, 60%)
CMYK	cmyk(81.6%, 48%, 0%, 40.4%)
CIE-LAB	lab(34.20, 11.01, -44.73)
CIE-LCH	lch(34.20, 46.06, 283.83°)
OKLab	oklab(43.61% -0.027 -0.1285)
OKLCH	oklch(43.61% 0.131 258.1)
XYZ	xyz(8.9403, 8.1048, 30.7929)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F98 #98651C

analogous

#1C8D98 #1C4F98 #271C98

triadic

#1C4F98 #981C4F #4F981C

tetradic

#1C4F98 #981C8D #98651C #1C9827

square

#1C4F98 #981C8D #98651C #1C9827

split-complementary

#1C4F98 #98271C #8D981C

monochromatic

#091931 #123464 #1C4F98 #266ACC #508BDF

Accessibility & contrast

On white

8.01

#1C4F98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1C4F98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F98

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F98	#FFFFFF	#000000	##FFFFFF
##1C4F98	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26569B

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#00606C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c4f98;
/* rgb */ color: rgb(28, 79, 152);
/* oklch */ color: oklch(43.6% 0.131 258.1);

Tailwind

colors: {
  custom: {
    50: '#6d7fb7',
    500: '#1c4f98',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f98;
$custom-light: #6d7fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f98",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 152
  },
  "hsl": {
    "h": 215.323,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43609,
    "c": 0.13131,
    "h": 258.1
  },
  "luminance": 0.08106
}

Semantic roles & 50–950 ramp

primary

#1C4F98

secondary

#C1924E

accent

#A33CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C4F98

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

Preview Lab → · Contrast checker → · Palette generator →