#1C438C#1C438C

#1C438C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.130 H 261.5°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C438C
RGB	rgb(28, 67, 140)
HSL	hsl(219, 67%, 33%)
HSV	hsv(219, 80%, 55%)
CMYK	cmyk(80%, 52.1%, 0%, 45.1%)
CIE-LAB	lab(29.80, 14.33, -44.50)
CIE-LCH	lch(29.80, 46.75, 287.86°)
OKLab	oklab(39.96% -0.0192 -0.1281)
OKLCH	oklch(39.96% 0.13 261.5)
XYZ	xyz(7.2180, 6.1538, 25.6132)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C438C #8C651C

analogous

#1C7B8C #1C438C #2D1C8C

triadic

#1C438C #8C1C43 #438C1C

tetradic

#1C438C #8C1C7B #8C651C #1C8C2D

square

#1C438C #8C1C7B #8C651C #1C8C2D

split-complementary

#1C438C #8C2D1C #7B8C1C

monochromatic

#081226 #122B59 #1C438C #265BBF #487BDA

Accessibility & contrast

On white

9.41

#1C438C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1C438C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C438C

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C438C	#FFFFFF	#000000	##FFFFFF
##1C438C	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144C8F

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c438c;
/* rgb */ color: rgb(28, 67, 140);
/* oklch */ color: oklch(40.0% 0.130 261.5);

Tailwind

colors: {
  custom: {
    50: '#6b76ae',
    500: '#1c438c',
    950: '#000000',
  },
}

SCSS

$custom: #1c438c;
$custom-light: #6b76ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c438c",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 140
  },
  "hsl": {
    "h": 219.107,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39962,
    "c": 0.12952,
    "h": 261.5
  },
  "luminance": 0.06155
}

Semantic roles & 50–950 ramp

primary

#1C438C

secondary

#BC9448

accent

#AE3EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C438C

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

Preview Lab → · Contrast checker → · Palette generator →