#33577C#33577C

#33577C is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.074 H 250.4°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#33577C
RGB	rgb(51, 87, 124)
HSL	hsl(210, 42%, 34%)
HSV	hsv(210, 59%, 49%)
CMYK	cmyk(58.9%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(35.94, -1.05, -24.81)
CIE-LCH	lch(35.94, 24.83, 267.57°)
OKLab	oklab(44.69% -0.0248 -0.0698)
OKLCH	oklch(44.69% 0.074 250.4)
XYZ	xyz(8.4102, 8.9747, 20.3540)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33577C #7C5833

analogous

#337C7C #33577C #34337C

triadic

#33577C #7C3357 #577C33

tetradic

#33577C #7C337C #7C5833 #337C34

square

#33577C #7C337C #7C5833 #337C34

split-complementary

#33577C #7C3433 #7C7C33

monochromatic

#0F1A25 #213951 #33577C #4575A7 #6894C1

Accessibility & contrast

On white

7.51

#33577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#33577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33577C

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33577C	#FFFFFF	#000000	##FFFFFF
##33577C	1.00	7.51	2.79	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48587E

Deuteranopia (green-blind)

#3E517B

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #33577c;
/* rgb */ color: rgb(51, 87, 124);
/* oklch */ color: oklch(44.7% 0.074 250.4);

Tailwind

colors: {
  custom: {
    50: '#7186a2',
    500: '#33577c',
    950: '#000000',
  },
}

SCSS

$custom: #33577c;
$custom-light: #7186a2;
$custom-dark: #000000;

JSON

{
  "hex": "#33577c",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 210.411,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.44686,
    "c": 0.07405,
    "h": 250.4
  },
  "luminance": 0.08975
}

Semantic roles & 50–950 ramp

primary

#33577C

secondary

#A98662

accent

#9556D2

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #33577C

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

Preview Lab → · Contrast checker → · Palette generator →