#303E4C#303E4C

#303E4C is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.031 H 248.7°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#303E4C
RGB	rgb(48, 62, 76)
HSL	hsl(210, 23%, 24%)
HSV	hsv(210, 37%, 30%)
CMYK	cmyk(36.8%, 18.4%, 0%, 70.2%)
CIE-LAB	lab(25.55, -1.68, -10.35)
CIE-LCH	lch(25.55, 10.48, 260.77°)
OKLab	oklab(35.74% -0.0111 -0.0285)
OKLCH	oklch(35.74% 0.031 248.7)
XYZ	xyz(4.2457, 4.5952, 7.4993)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303E4C #4C3E30

analogous

#304C4C #303E4C #30304C

triadic

#303E4C #4C303E #3E4C30

tetradic

#303E4C #4C304C #4C3E30 #304C30

square

#303E4C #4C304C #4C3E30 #304C30

split-complementary

#303E4C #4C3030 #4C4C30

monochromatic

#0C0F13 #181F26 #303E4C #485D72 #5F7B97

Accessibility & contrast

On white

10.94

#303E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#303E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303E4C

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303E4C	#FFFFFF	#000000	##FFFFFF
##303E4C	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393E4D

Deuteranopia (green-blind)

#353B4C

Tritanopia (blue-blind)

#274143

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #303e4c;
/* rgb */ color: rgb(48, 62, 76);
/* oklch */ color: oklch(35.7% 0.031 248.7);

Tailwind

colors: {
  custom: {
    50: '#69737e',
    500: '#303e4c',
    950: '#000000',
  },
}

SCSS

$custom: #303e4c;
$custom-light: #69737e;
$custom-dark: #000000;

JSON

{
  "hex": "#303e4c",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 76
  },
  "hsl": {
    "h": 210,
    "s": 22.581,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35742,
    "c": 0.03055,
    "h": 248.7
  },
  "luminance": 0.04595
}

Semantic roles & 50–950 ramp

primary

#303E4C

secondary

#7D6C5B

accent

#9469BF

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#060809

muted

#7A7B7B

Preview Lab

Preview with #303E4C

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

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