#1C458D#1C458D

#1C458D is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.5% C 0.128 H 260.7°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C458D
RGB	rgb(28, 69, 141)
HSL	hsl(218, 67%, 33%)
HSV	hsv(218, 80%, 55%)
CMYK	cmyk(80.1%, 51.1%, 0%, 44.7%)
CIE-LAB	lab(30.46, 13.36, -44.04)
CIE-LCH	lch(30.46, 46.03, 286.88°)
OKLab	oklab(40.49% -0.0207 -0.1267)
OKLCH	oklch(40.49% 0.128 260.7)
XYZ	xyz(7.4130, 6.4253, 26.0437)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C458D #8D641C

analogous

#1C7D8D #1C458D #2B1C8D

triadic

#1C458D #8D1C45 #458D1C

tetradic

#1C458D #8D1C7D #8D641C #1C8D2B

square

#1C458D #8D1C7D #8D641C #1C8D2B

split-complementary

#1C458D #8D2B1C #7D8D1C

monochromatic

#081327 #122C5A #1C458D #265EC0 #497EDB

Accessibility & contrast

On white

9.19

#1C458D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1C458D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C458D

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C458D	#FFFFFF	#000000	##FFFFFF
##1C458D	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194D90

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c458d;
/* rgb */ color: rgb(28, 69, 141);
/* oklch */ color: oklch(40.5% 0.128 260.7);

Tailwind

colors: {
  custom: {
    50: '#6b78af',
    500: '#1c458d',
    950: '#000000',
  },
}

SCSS

$custom: #1c458d;
$custom-light: #6b78af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c458d",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 141
  },
  "hsl": {
    "h": 218.23,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40493,
    "c": 0.12837,
    "h": 260.7
  },
  "luminance": 0.06426
}

Semantic roles & 50–950 ramp

primary

#1C458D

secondary

#BD9248

accent

#AB3EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C458D

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

Preview Lab → · Contrast checker → · Palette generator →