#303457#303457

#303457 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.9% C 0.062 H 277.6°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#303457
RGB	rgb(48, 52, 87)
HSL	hsl(234, 29%, 26%)
HSV	hsv(234, 45%, 34%)
CMYK	cmyk(44.8%, 40.2%, 0%, 65.9%)
CIE-LAB	lab(22.90, 8.61, -21.70)
CIE-LCH	lch(22.90, 23.35, 291.64°)
OKLab	oklab(33.86% 0.0081 -0.061)
OKLCH	oklch(33.86% 0.062 277.6)
XYZ	xyz(4.1667, 3.7723, 9.5236)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303457 #575330

analogous

#304857 #303457 #403057

triadic

#303457 #573034 #345730

tetradic

#303457 #573048 #575330 #305740

square

#303457 #573048 #575330 #305740

split-complementary

#303457 #574030 #485730

monochromatic

#0B0C14 #1A1C30 #303457 #464C7E #5C64A5

Accessibility & contrast

On white

11.97

#303457 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#303457 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303457

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303457	#FFFFFF	#000000	##FFFFFF
##303457	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283858

Deuteranopia (green-blind)

#253556

Tritanopia (blue-blind)

#243B41

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #303457;
/* rgb */ color: rgb(48, 52, 87);
/* oklch */ color: oklch(33.9% 0.062 277.6);

Tailwind

colors: {
  custom: {
    50: '#6a6b86',
    500: '#303457',
    950: '#000000',
  },
}

SCSS

$custom: #303457;
$custom-light: #6a6b86;
$custom-dark: #000000;

JSON

{
  "hex": "#303457",
  "rgb": {
    "r": 48,
    "g": 52,
    "b": 87
  },
  "hsl": {
    "h": 233.846,
    "s": 28.889,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3386,
    "c": 0.06153,
    "h": 277.6
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#303457

secondary

#88845A

accent

#BB63C5

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#06060B

muted

#7A7A7C

Preview Lab

Preview with #303457

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

Preview Lab → · Contrast checker → · Palette generator →