#303A67#303A67

#303A67 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.079 H 272.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#303A67
RGB	rgb(48, 58, 103)
HSL	hsl(229, 36%, 30%)
HSV	hsv(229, 53%, 40%)
CMYK	cmyk(53.4%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(25.66, 9.98, -27.77)
CIE-LCH	lch(25.66, 29.51, 289.76°)
OKLab	oklab(36.28% 0.0034 -0.0787)
OKLCH	oklch(36.28% 0.079 272.5)
XYZ	xyz(5.1794, 4.6334, 13.4508)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303A67 #675D30

analogous

#305667 #303A67 #423067

triadic

#303A67 #67303A #3A6730

tetradic

#303A67 #673056 #675D30 #306742

square

#303A67 #673056 #675D30 #306742

split-complementary

#303A67 #674230 #566730

monochromatic

#0A0C15 #1D223D #303A67 #435291 #5E6DB4

Accessibility & contrast

On white

10.90

#303A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#303A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303A67

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303A67	#FFFFFF	#000000	##FFFFFF
##303A67	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283F69

Deuteranopia (green-blind)

#223B66

Tritanopia (blue-blind)

#19444B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #303a67;
/* rgb */ color: rgb(48, 58, 103);
/* oklch */ color: oklch(36.3% 0.079 272.5);

Tailwind

colors: {
  custom: {
    50: '#6c6f92',
    500: '#303a67',
    950: '#000000',
  },
}

SCSS

$custom: #303a67;
$custom-light: #6c6f92;
$custom-dark: #000000;

JSON

{
  "hex": "#303a67",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 229.091,
    "s": 36.424,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36283,
    "c": 0.07874,
    "h": 272.5
  },
  "luminance": 0.04634
}

Semantic roles & 50–950 ramp

primary

#303A67

secondary

#988D5A

accent

#B85BCC

background

#F6F6F9

surface

#ECECF1

border

#C7C7CB

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #303A67

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

Preview Lab → · Contrast checker → · Palette generator →