#1C438D#1C438D

#1C438D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.0% C 0.131 H 261.6°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C438D
RGB	rgb(28, 67, 141)
HSL	hsl(219, 67%, 33%)
HSV	hsv(219, 80%, 55%)
CMYK	cmyk(80.1%, 52.5%, 0%, 44.7%)
CIE-LAB	lab(29.87, 14.74, -45.00)
CIE-LCH	lch(29.87, 47.35, 288.14°)
OKLab	oklab(40.04% -0.019 -0.1295)
OKLCH	oklch(40.04% 0.131 261.6)
XYZ	xyz(7.2920, 6.1834, 26.0033)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C438D #8D661C

analogous

#1C7B8D #1C438D #2D1C8D

triadic

#1C438D #8D1C43 #438D1C

tetradic

#1C438D #8D1C7B #8D661C #1C8D2D

square

#1C438D #8D1C7B #8D661C #1C8D2D

split-complementary

#1C438D #8D2D1C #7B8D1C

monochromatic

#081227 #122B5A #1C438D #265BC0 #497BDB

Accessibility & contrast

On white

9.39

#1C438D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1C438D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C438D

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C438D	#FFFFFF	#000000	##FFFFFF
##1C438D	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134C90

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c438d;
/* rgb */ color: rgb(28, 67, 141);
/* oklch */ color: oklch(40.0% 0.131 261.6);

Tailwind

colors: {
  custom: {
    50: '#6b76af',
    500: '#1c438d',
    950: '#000000',
  },
}

SCSS

$custom: #1c438d;
$custom-light: #6b76af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c438d",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 219.292,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40042,
    "c": 0.13094,
    "h": 261.6
  },
  "luminance": 0.06184
}

Semantic roles & 50–950 ramp

primary

#1C438D

secondary

#BD9448

accent

#AE3EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C438D

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

Preview Lab → · Contrast checker → · Palette generator →