#1C459B#1C459B

#1C459B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.6% C 0.148 H 262.6°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C459B
RGB	rgb(28, 69, 155)
HSL	hsl(221, 69%, 36%)
HSV	hsv(221, 82%, 61%)
CMYK	cmyk(81.9%, 55.5%, 0%, 39.2%)
CIE-LAB	lab(31.51, 19.01, -50.90)
CIE-LCH	lch(31.51, 54.34, 290.48°)
OKLab	oklab(41.62% -0.019 -0.1469)
OKLCH	oklch(41.62% 0.148 262.6)
XYZ	xyz(8.5213, 6.8687, 31.8807)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C459B #9B721C

analogous

#1C849B #1C459B #321C9B

triadic

#1C459B #9B1C45 #459B1C

tetradic

#1C459B #9B1C84 #9B721C #1C9B32

square

#1C459B #9B1C84 #9B721C #1C9B32

split-complementary

#1C459B #9B321C #849B1C

monochromatic

#091733 #132E67 #1C459B #255CCF #5280E0

Accessibility & contrast

On white

8.85

#1C459B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1C459B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C459B

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C459B	#FFFFFF	#000000	##FFFFFF
##1C459B	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c459b;
/* rgb */ color: rgb(28, 69, 155);
/* oklch */ color: oklch(41.6% 0.148 262.6);

Tailwind

colors: {
  custom: {
    50: '#6e78b9',
    500: '#1c459b',
    950: '#000000',
  },
}

SCSS

$custom: #1c459b;
$custom-light: #6e78b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c459b",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 220.63,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.4162,
    "c": 0.1481,
    "h": 262.6
  },
  "luminance": 0.0687
}

Semantic roles & 50–950 ramp

primary

#1C459B

secondary

#C39E50

accent

#B33CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C459B

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

Preview Lab → · Contrast checker → · Palette generator →