#1C427E#1C427E

#1C427E is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.7% C 0.111 H 259.3°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#1C427E
RGB	rgb(28, 66, 126)
HSL	hsl(217, 64%, 30%)
HSV	hsv(217, 78%, 49%)
CMYK	cmyk(77.8%, 47.6%, 0%, 50.6%)
CIE-LAB	lab(28.51, 9.33, -37.89)
CIE-LCH	lch(28.51, 39.02, 283.84°)
OKLab	oklab(38.66% -0.0205 -0.1086)
OKLCH	oklch(38.66% 0.111 259.3)
XYZ	xyz(6.1916, 5.6490, 20.4987)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C427E #7E581C

analogous

#1C737E #1C427E #271C7E

triadic

#1C427E #7E1C42 #427E1C

tetradic

#1C427E #7E1C73 #7E581C #1C7E27

square

#1C427E #7E1C73 #7E581C #1C7E27

split-complementary

#1C427E #7E271C #737E1C

monochromatic

#060E1A #11284C #1C427E #275CB0 #407AD5

Accessibility & contrast

On white

9.86

#1C427E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1C427E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C427E

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C427E	#FFFFFF	#000000	##FFFFFF
##1C427E	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224880

Deuteranopia (green-blind)

#0C3F7D

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c427e;
/* rgb */ color: rgb(28, 66, 126);
/* oklch */ color: oklch(38.7% 0.111 259.3);

Tailwind

colors: {
  custom: {
    50: '#6775a4',
    500: '#1c427e',
    950: '#000000',
  },
}

SCSS

$custom: #1c427e;
$custom-light: #6775a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c427e",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 126
  },
  "hsl": {
    "h": 216.735,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.38658,
    "c": 0.11056,
    "h": 259.3
  },
  "luminance": 0.0565
}

Semantic roles & 50–950 ramp

primary

#1C427E

secondary

#B28744

accent

#A641E7

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C427E

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

Preview Lab → · Contrast checker → · Palette generator →