#1C3E97#1C3E97

#1C3E97 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.151 H 264.5°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E97
RGB	rgb(28, 62, 151)
HSL	hsl(223, 69%, 35%)
HSV	hsv(223, 81%, 59%)
CMYK	cmyk(81.5%, 58.9%, 0%, 40.8%)
CIE-LAB	lab(29.22, 22.21, -52.18)
CIE-LCH	lch(29.22, 56.71, 293.06°)
OKLab	oklab(39.8% -0.0145 -0.1507)
OKLCH	oklch(39.8% 0.151 264.5)
XYZ	xyz(7.7854, 5.9256, 30.0056)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E97 #97751C

analogous

#1C7B97 #1C3E97 #381C97

triadic

#1C3E97 #971C3E #3E971C

tetradic

#1C3E97 #971C7B #97751C #1C9738

square

#1C3E97 #971C7B #97751C #1C9738

split-complementary

#1C3E97 #97381C #7B971C

monochromatic

#091430 #122963 #1C3E97 #2653CB #4F77DE

Accessibility & contrast

On white

9.61

#1C3E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1C3E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E97

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E97	#FFFFFF	#000000	##FFFFFF
##1C3E97	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c3e97;
/* rgb */ color: rgb(28, 62, 151);
/* oklch */ color: oklch(39.8% 0.151 264.5);

Tailwind

colors: {
  custom: {
    50: '#6e72b6',
    500: '#1c3e97',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e97;
$custom-light: #6e72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e97",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 151
  },
  "hsl": {
    "h": 223.415,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39798,
    "c": 0.15144,
    "h": 264.5
  },
  "luminance": 0.05926
}

Semantic roles & 50–950 ramp

primary

#1C3E97

secondary

#C1A14E

accent

#BB3CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C3E97

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

Preview Lab → · Contrast checker → · Palette generator →