#23357D#23357D

#23357D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.124 H 268.8°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#23357D
RGB	rgb(35, 53, 125)
HSL	hsl(228, 56%, 31%)
HSV	hsv(228, 72%, 49%)
CMYK	cmyk(72%, 57.6%, 0%, 51%)
CIE-LAB	lab(24.90, 19.03, -43.07)
CIE-LCH	lch(24.90, 47.08, 293.84°)
OKLab	oklab(35.98% -0.0027 -0.124)
OKLCH	oklch(35.98% 0.124 268.8)
XYZ	xyz(5.6666, 4.3836, 19.9456)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23357D #7D6B23

analogous

#23627D #23357D #3E237D

triadic

#23357D #7D2335 #357D23

tetradic

#23357D #7D2362 #7D6B23 #237D3E

square

#23357D #7D2362 #7D6B23 #237D3E

split-complementary

#23357D #7D3E23 #627D23

monochromatic

#080C1D #16214D #23357D #3049AD #4D67CD

Accessibility & contrast

On white

11.19

#23357D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#23357D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23357D

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23357D	#FFFFFF	#000000	##FFFFFF
##23357D	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7F

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23357d;
/* rgb */ color: rgb(35, 53, 125);
/* oklch */ color: oklch(36.0% 0.124 268.8);

Tailwind

colors: {
  custom: {
    50: '#6a6ba3',
    500: '#23357d',
    950: '#000000',
  },
}

SCSS

$custom: #23357d;
$custom-light: #6a6ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#23357d",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 125
  },
  "hsl": {
    "h": 228,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35976,
    "c": 0.12401,
    "h": 268.8
  },
  "luminance": 0.04384
}

Semantic roles & 50–950 ramp

primary

#23357D

secondary

#AF9C4C

accent

#C148E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #23357D

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

Preview Lab → · Contrast checker → · Palette generator →