#1C279F#1C279F

#1C279F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.189 H 269.0°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C279F
RGB	rgb(28, 39, 159)
HSL	hsl(235, 70%, 37%)
HSV	hsv(235, 82%, 62%)
CMYK	cmyk(82.4%, 75.5%, 0%, 37.6%)
CIE-LAB	lab(24.32, 40.28, -65.11)
CIE-LCH	lch(24.32, 76.56, 301.74°)
OKLab	oklab(36.44% -0.0033 -0.1887)
OKLCH	oklch(36.44% 0.189 269)
XYZ	xyz(7.4603, 4.2002, 33.2117)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C279F #9F941C

analogous

#1C699F #1C279F #531C9F

triadic

#1C279F #9F1C27 #279F1C

tetradic

#1C279F #9F1C69 #9F941C #1C9F53

square

#1C279F #9F1C69 #9F941C #1C9F53

split-complementary

#1C279F #9F531C #699F1C

monochromatic

#0A0D37 #131A6B #1C279F #2534D3 #5460E1

Accessibility & contrast

On white

11.41

#1C279F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C279F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C279F

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C279F	#FFFFFF	#000000	##FFFFFF
##1C279F	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A2

Deuteranopia (green-blind)

#00339D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c279f;
/* rgb */ color: rgb(28, 39, 159);
/* oklch */ color: oklch(36.4% 0.189 269.0);

Tailwind

colors: {
  custom: {
    50: '#7262bd',
    500: '#1c279f',
    950: '#000000',
  },
}

SCSS

$custom: #1c279f;
$custom-light: #7262bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c279f",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 159
  },
  "hsl": {
    "h": 234.962,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36442,
    "c": 0.18868,
    "h": 269
  },
  "luminance": 0.04201
}

Semantic roles & 50–950 ramp

primary

#1C279F

secondary

#C4BB53

accent

#DE3BED

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1C279F

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

Preview Lab → · Contrast checker → · Palette generator →