#1C459F#1C459F

#1C459F is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.154 H 263.0°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#1C459F
RGB	rgb(28, 69, 159)
HSL	hsl(221, 70%, 37%)
HSV	hsv(221, 82%, 62%)
CMYK	cmyk(82.4%, 56.6%, 0%, 37.6%)
CIE-LAB	lab(31.82, 20.62, -52.81)
CIE-LCH	lch(31.82, 56.69, 291.32°)
OKLab	oklab(41.96% -0.0187 -0.1525)
OKLCH	oklch(41.96% 0.154 263)
XYZ	xyz(8.8628, 7.0053, 33.6792)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C459F #9F761C

analogous

#1C879F #1C459F #341C9F

triadic

#1C459F #9F1C45 #459F1C

tetradic

#1C459F #9F1C87 #9F761C #1C9F34

square

#1C459F #9F1C87 #9F761C #1C9F34

split-complementary

#1C459F #9F341C #879F1C

monochromatic

#0A1837 #132E6B #1C459F #255CD3 #5480E1

Accessibility & contrast

On white

8.75

#1C459F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1C459F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C459F

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C459F	#FFFFFF	#000000	##FFFFFF
##1C459F	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c459f;
/* rgb */ color: rgb(28, 69, 159);
/* oklch */ color: oklch(42.0% 0.154 263.0);

Tailwind

colors: {
  custom: {
    50: '#6f78bc',
    500: '#1c459f',
    950: '#000000',
  },
}

SCSS

$custom: #1c459f;
$custom-light: #6f78bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c459f",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 159
  },
  "hsl": {
    "h": 221.221,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41955,
    "c": 0.15363,
    "h": 263
  },
  "luminance": 0.07006
}

Semantic roles & 50–950 ramp

primary

#1C459F

secondary

#C4A153

accent

#B53BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C459F

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

Preview Lab → · Contrast checker → · Palette generator →