#30577B#30577B

#30577B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.074 H 248.0°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#30577B
RGB	rgb(48, 87, 123)
HSL	hsl(209, 44%, 34%)
HSV	hsv(209, 61%, 48%)
CMYK	cmyk(61%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(35.74, -2.08, -24.51)
CIE-LCH	lch(35.74, 24.60, 265.15°)
OKLab	oklab(44.48% -0.0278 -0.0689)
OKLCH	oklch(44.48% 0.074 248)
XYZ	xyz(8.2010, 8.8741, 20.0157)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30577B #7B5430

analogous

#307B79 #30577B #30317B

triadic

#30577B #7B3057 #577B30

tetradic

#30577B #79307B #7B5430 #317B30

square

#30577B #79307B #7B5430 #317B30

split-complementary

#30577B #7B3031 #7B7930

monochromatic

#0E1923 #1F384F #30577B #4176A7 #6395C2

Accessibility & contrast

On white

7.57

#30577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#30577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30577B

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30577B	#FFFFFF	#000000	##FFFFFF
##30577B	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48587D

Deuteranopia (green-blind)

#3E517A

Tritanopia (blue-blind)

#005F64

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #30577b;
/* rgb */ color: rgb(48, 87, 123);
/* oklch */ color: oklch(44.5% 0.074 248.0);

Tailwind

colors: {
  custom: {
    50: '#6f86a1',
    500: '#30577b',
    950: '#000000',
  },
}

SCSS

$custom: #30577b;
$custom-light: #6f86a1;
$custom-dark: #000000;

JSON

{
  "hex": "#30577b",
  "rgb": {
    "r": 48,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 208.8,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.44477,
    "c": 0.07434,
    "h": 248
  },
  "luminance": 0.08875
}

Semantic roles & 50–950 ramp

primary

#30577B

secondary

#A9825D

accent

#9154D4

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#080B0F

muted

#7B7C7E

Preview Lab

Preview with #30577B

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

Preview Lab → · Contrast checker → · Palette generator →