#1C458C#1C458C

#1C458C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.4% C 0.127 H 260.6°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#1C458C
RGB	rgb(28, 69, 140)
HSL	hsl(218, 67%, 33%)
HSV	hsv(218, 80%, 55%)
CMYK	cmyk(80%, 50.7%, 0%, 45.1%)
CIE-LAB	lab(30.39, 12.96, -43.54)
CIE-LCH	lch(30.39, 45.43, 286.57°)
OKLab	oklab(40.42% -0.0208 -0.1252)
OKLCH	oklch(40.42% 0.127 260.6)
XYZ	xyz(7.3389, 6.3957, 25.6536)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C458C #8C631C

analogous

#1C7D8C #1C458C #2B1C8C

triadic

#1C458C #8C1C45 #458C1C

tetradic

#1C458C #8C1C7D #8C631C #1C8C2B

square

#1C458C #8C1C7D #8C631C #1C8C2B

split-complementary

#1C458C #8C2B1C #7D8C1C

monochromatic

#081326 #122C59 #1C458C #265EBF #487EDA

Accessibility & contrast

On white

9.21

#1C458C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C458C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C458C

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C458C	#FFFFFF	#000000	##FFFFFF
##1C458C	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4D8F

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c458c;
/* rgb */ color: rgb(28, 69, 140);
/* oklch */ color: oklch(40.4% 0.127 260.6);

Tailwind

colors: {
  custom: {
    50: '#6b78ae',
    500: '#1c458c',
    950: '#000000',
  },
}

SCSS

$custom: #1c458c;
$custom-light: #6b78ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c458c",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 140
  },
  "hsl": {
    "h": 218.036,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40415,
    "c": 0.12695,
    "h": 260.6
  },
  "luminance": 0.06397
}

Semantic roles & 50–950 ramp

primary

#1C458C

secondary

#BC9248

accent

#AB3EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C458C

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

Preview Lab → · Contrast checker → · Palette generator →