#34577D#34577D

#34577D is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.8% C 0.075 H 251.6°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#34577D
RGB	rgb(52, 87, 125)
HSL	hsl(211, 41%, 35%)
HSV	hsv(211, 58%, 49%)
CMYK	cmyk(58.4%, 30.4%, 0%, 51%)
CIE-LAB	lab(36.04, -0.48, -25.27)
CIE-LCH	lch(36.04, 25.27, 268.92°)
OKLab	oklab(44.79% -0.0236 -0.0711)
OKLCH	oklch(44.79% 0.075 251.6)
XYZ	xyz(8.5247, 9.0264, 20.6911)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34577D #7D5A34

analogous

#347C7D #34577D #36347D

triadic

#34577D #7D3457 #577D34

tetradic

#34577D #7D347C #7D5A34 #347D36

square

#34577D #7D347C #7D5A34 #347D36

split-complementary

#34577D #7D3634 #7C7D34

monochromatic

#101B27 #223952 #34577D #4675A8 #6A94C1

Accessibility & contrast

On white

7.49

#34577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#34577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34577D

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34577D	#FFFFFF	#000000	##FFFFFF
##34577D	1.00	7.49	2.81	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47597F

Deuteranopia (green-blind)

#3E527C

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #34577d;
/* rgb */ color: rgb(52, 87, 125);
/* oklch */ color: oklch(44.8% 0.075 251.6);

Tailwind

colors: {
  custom: {
    50: '#7186a3',
    500: '#34577d',
    950: '#000000',
  },
}

SCSS

$custom: #34577d;
$custom-light: #7186a3;
$custom-dark: #000000;

JSON

{
  "hex": "#34577d",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 211.233,
    "s": 41.243,
    "l": 34.706
  },
  "oklch": {
    "l": 0.44794,
    "c": 0.07488,
    "h": 251.6
  },
  "luminance": 0.09027
}

Semantic roles & 50–950 ramp

primary

#34577D

secondary

#A98864

accent

#9657D1

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #34577D

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

Preview Lab → · Contrast checker → · Palette generator →