#2C3F8B#2C3F8B

#2C3F8B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.128 H 269.2°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2C3F8B
RGB	rgb(44, 63, 139)
HSL	hsl(228, 52%, 36%)
HSV	hsv(228, 68%, 55%)
CMYK	cmyk(68.3%, 54.7%, 0%, 45.5%)
CIE-LAB	lab(29.30, 18.98, -44.66)
CIE-LCH	lch(29.30, 48.52, 293.02°)
OKLab	oklab(39.76% -0.0017 -0.1283)
OKLCH	oklch(39.76% 0.128 269.2)
XYZ	xyz(7.4748, 5.9539, 25.1764)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3F8B #8B782C

analogous

#2C6E8B #2C3F8B #482C8B

triadic

#2C3F8B #8B2C3F #3F8B2C

tetradic

#2C3F8B #8B2C6E #8B782C #2C8B48

square

#2C3F8B #8B2C6E #8B782C #2C8B48

split-complementary

#2C3F8B #8B482C #6E8B2C

monochromatic

#0F152E #1D2A5D #2C3F8B #3B54B9 #6479CE

Accessibility & contrast

On white

9.58

#2C3F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2C3F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3F8B

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3F8B	#FFFFFF	#000000	##FFFFFF
##2C3F8B	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4A8E

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2c3f8b;
/* rgb */ color: rgb(44, 63, 139);
/* oklch */ color: oklch(39.8% 0.128 269.2);

Tailwind

colors: {
  custom: {
    50: '#7173ad',
    500: '#2c3f8b',
    950: '#000000',
  },
}

SCSS

$custom: #2c3f8b;
$custom-light: #7173ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3f8b",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 139
  },
  "hsl": {
    "h": 228,
    "s": 51.913,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39758,
    "c": 0.12832,
    "h": 269.2
  },
  "luminance": 0.05955
}

Semantic roles & 50–950 ramp

primary

#2C3F8B

secondary

#B4A35F

accent

#BF4CDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2C3F8B

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

Preview Lab → · Contrast checker → · Palette generator →