#1C458A#1C458A

#1C458A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.124 H 260.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C458A
RGB	rgb(28, 69, 138)
HSL	hsl(218, 66%, 33%)
HSV	hsv(218, 80%, 54%)
CMYK	cmyk(79.7%, 50%, 0%, 45.9%)
CIE-LAB	lab(30.25, 12.15, -42.54)
CIE-LCH	lch(30.25, 44.24, 285.93°)
OKLab	oklab(40.26% -0.0211 -0.1223)
OKLCH	oklch(40.26% 0.124 260.2)
XYZ	xyz(7.1928, 6.3373, 24.8840)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C458A #8A611C

analogous

#1C7C8A #1C458A #2A1C8A

triadic

#1C458A #8A1C45 #458A1C

tetradic

#1C458A #8A1C7C #8A611C #1C8A2A

square

#1C458A #8A1C7C #8A611C #1C8A2A

split-complementary

#1C458A #8A2A1C #7C8A1C

monochromatic

#071224 #122C57 #1C458A #265EBD #477EDA

Accessibility & contrast

On white

9.26

#1C458A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1C458A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C458A

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C458A	#FFFFFF	#000000	##FFFFFF
##1C458A	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4D8D

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#005661

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c458a;
/* rgb */ color: rgb(28, 69, 138);
/* oklch */ color: oklch(40.3% 0.124 260.2);

Tailwind

colors: {
  custom: {
    50: '#6a78ad',
    500: '#1c458a',
    950: '#000000',
  },
}

SCSS

$custom: #1c458a;
$custom-light: #6a78ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c458a",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 138
  },
  "hsl": {
    "h": 217.636,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40261,
    "c": 0.12409,
    "h": 260.2
  },
  "luminance": 0.06338
}

Semantic roles & 50–950 ramp

primary

#1C458A

secondary

#BB9046

accent

#AA3FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C458A

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

Preview Lab → · Contrast checker → · Palette generator →