#30557B#30557B

#30557B is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.076 H 250.5°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#30557B
RGB	rgb(48, 85, 123)
HSL	hsl(210, 44%, 34%)
HSV	hsv(210, 61%, 48%)
CMYK	cmyk(61%, 30.9%, 0%, 51.8%)
CIE-LAB	lab(35.11, -0.81, -25.49)
CIE-LCH	lch(35.11, 25.51, 268.17°)
OKLab	oklab(43.98% -0.0254 -0.0718)
OKLCH	oklch(43.98% 0.076 250.5)
XYZ	xyz(8.0413, 8.5547, 19.9625)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30557B #7B5630

analogous

#307A7B #30557B #30307B

triadic

#30557B #7B3055 #557B30

tetradic

#30557B #7B307A #7B5630 #307B30

square

#30557B #7B307A #7B5630 #307B30

split-complementary

#30557B #7B3030 #7A7B30

monochromatic

#0E1823 #1F374F #30557B #4173A7 #6392C2

Accessibility & contrast

On white

7.75

#30557B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#30557B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30557B

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30557B	#FFFFFF	#000000	##FFFFFF
##30557B	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577D

Deuteranopia (green-blind)

#3B4F7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #30557b;
/* rgb */ color: rgb(48, 85, 123);
/* oklch */ color: oklch(44.0% 0.076 250.5);

Tailwind

colors: {
  custom: {
    50: '#6f84a1',
    500: '#30557b',
    950: '#000000',
  },
}

SCSS

$custom: #30557b;
$custom-light: #6f84a1;
$custom-dark: #000000;

JSON

{
  "hex": "#30557b",
  "rgb": {
    "r": 48,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 210.4,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43983,
    "c": 0.07616,
    "h": 250.5
  },
  "luminance": 0.08555
}

Semantic roles & 50–950 ramp

primary

#30557B

secondary

#A9845D

accent

#9554D4

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #30557B

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

Preview Lab → · Contrast checker → · Palette generator →