#23377F#23377F

#23377F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.124 H 268.0°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#23377F
RGB	rgb(35, 55, 127)
HSL	hsl(227, 57%, 32%)
HSV	hsv(227, 72%, 50%)
CMYK	cmyk(72.4%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(25.63, 18.42, -43.15)
CIE-LCH	lch(25.63, 46.91, 293.12°)
OKLab	oklab(36.57% -0.0044 -0.1242)
OKLCH	oklch(36.57% 0.124 268)
XYZ	xyz(5.8888, 4.6214, 20.6562)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23377F #7F6B23

analogous

#23657F #23377F #3D237F

triadic

#23377F #7F2337 #377F23

tetradic

#23377F #7F2365 #7F6B23 #237F3D

square

#23377F #7F2365 #7F6B23 #237F3D

split-complementary

#23377F #7F3D23 #657F23

monochromatic

#090D1F #16224F #23377F #304CAF #4E6ACE

Accessibility & contrast

On white

10.91

#23377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#23377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23377F

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23377F	#FFFFFF	#000000	##FFFFFF
##23377F	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004181

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #23377f;
/* rgb */ color: rgb(35, 55, 127);
/* oklch */ color: oklch(36.6% 0.124 268.0);

Tailwind

colors: {
  custom: {
    50: '#6b6da5',
    500: '#23377f',
    950: '#000000',
  },
}

SCSS

$custom: #23377f;
$custom-light: #6b6da5;
$custom-dark: #000000;

JSON

{
  "hex": "#23377f",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 226.957,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36572,
    "c": 0.12427,
    "h": 268
  },
  "luminance": 0.04622
}

Semantic roles & 50–950 ramp

primary

#23377F

secondary

#B19B4C

accent

#BF48E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23377F

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

Preview Lab → · Contrast checker → · Palette generator →