#23377A#23377A

#23377A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.2% C 0.117 H 267.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#23377A
RGB	rgb(35, 55, 122)
HSL	hsl(226, 55%, 31%)
HSV	hsv(226, 71%, 48%)
CMYK	cmyk(71.3%, 54.9%, 0%, 52.2%)
CIE-LAB	lab(25.24, 16.45, -40.62)
CIE-LCH	lch(25.24, 43.83, 292.05°)
OKLab	oklab(36.16% -0.0048 -0.1167)
OKLCH	oklch(36.16% 0.117 267.7)
XYZ	xyz(5.5710, 4.4943, 18.9825)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23377A #7A6623

analogous

#23627A #23377A #3A237A

triadic

#23377A #7A2337 #377A23

tetradic

#23377A #7A2362 #7A6623 #237A3A

square

#23377A #7A2362 #7A6623 #237A3A

split-complementary

#23377A #7A3A23 #627A23

monochromatic

#080C1B #15224A #23377A #314CAA #4C69CC

Accessibility & contrast

On white

11.06

#23377A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#23377A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23377A

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23377A	#FFFFFF	#000000	##FFFFFF
##23377A	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A407C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #23377a;
/* rgb */ color: rgb(35, 55, 122);
/* oklch */ color: oklch(36.2% 0.117 267.7);

Tailwind

colors: {
  custom: {
    50: '#6a6da1',
    500: '#23377a',
    950: '#000000',
  },
}

SCSS

$custom: #23377a;
$custom-light: #6a6da1;
$custom-dark: #000000;

JSON

{
  "hex": "#23377a",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 122
  },
  "hsl": {
    "h": 226.207,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36159,
    "c": 0.11685,
    "h": 267.7
  },
  "luminance": 0.04495
}

Semantic roles & 50–950 ramp

primary

#23377A

secondary

#AD964C

accent

#BC49DF

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23377A

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

Preview Lab → · Contrast checker → · Palette generator →