#1C4B95#1C4B95

#1C4B95 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.132 H 259.4°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C4B95
RGB	rgb(28, 75, 149)
HSL	hsl(217, 68%, 35%)
HSV	hsv(217, 81%, 58%)
CMYK	cmyk(81.2%, 49.7%, 0%, 41.6%)
CIE-LAB	lab(32.81, 12.50, -45.15)
CIE-LCH	lch(32.81, 46.85, 285.48°)
OKLab	oklab(42.47% -0.0243 -0.1298)
OKLCH	oklch(42.47% 0.132 259.4)
XYZ	xyz(8.4178, 7.4480, 29.4219)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4B95 #95661C

analogous

#1C8895 #1C4B95 #291C95

triadic

#1C4B95 #951C4B #4B951C

tetradic

#1C4B95 #951C88 #95661C #1C9529

square

#1C4B95 #951C88 #95661C #1C9529

split-complementary

#1C4B95 #95291C #88951C

monochromatic

#09172E #123161 #1C4B95 #2665C9 #4E86DE

Accessibility & contrast

On white

8.43

#1C4B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1C4B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4B95

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4B95	#FFFFFF	#000000	##FFFFFF
##1C4B95	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205398

Deuteranopia (green-blind)

#004894

Tritanopia (blue-blind)

#005D69

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c4b95;
/* rgb */ color: rgb(28, 75, 149);
/* oklch */ color: oklch(42.5% 0.132 259.4);

Tailwind

colors: {
  custom: {
    50: '#6d7cb5',
    500: '#1c4b95',
    950: '#000000',
  },
}

SCSS

$custom: #1c4b95;
$custom-light: #6d7cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4b95",
  "rgb": {
    "r": 28,
    "g": 75,
    "b": 149
  },
  "hsl": {
    "h": 216.694,
    "s": 68.362,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42471,
    "c": 0.13209,
    "h": 259.4
  },
  "luminance": 0.07449
}

Semantic roles & 50–950 ramp

primary

#1C4B95

secondary

#C0934D

accent

#A73DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4B95

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

Preview Lab → · Contrast checker → · Palette generator →