#30657B#30657B

#30657B is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.0% C 0.066 H 227.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#30657B
RGB	rgb(48, 101, 123)
HSL	hsl(198, 44%, 34%)
HSV	hsv(198, 61%, 48%)
CMYK	cmyk(61%, 17.9%, 0%, 51.8%)
CIE-LAB	lab(40.19, -10.59, -17.62)
CIE-LCH	lch(40.19, 20.56, 239.00°)
OKLab	oklab(48% -0.0447 -0.0491)
OKLCH	oklch(48% 0.066 227.7)
XYZ	xyz(9.4464, 11.3649, 20.4309)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30657B #7B4630

analogous

#307B6B #30657B #303F7B

triadic

#30657B #7B3065 #657B30

tetradic

#30657B #6B307B #7B4630 #3F7B30

square

#30657B #6B307B #7B4630 #3F7B30

split-complementary

#30657B #7B303F #7B6B30

monochromatic

#0E1D23 #1F414F #30657B #4189A7 #63A6C2

Accessibility & contrast

On white

6.42

#30657B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#30657B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30657B

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30657B	#FFFFFF	#000000	##FFFFFF
##30657B	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59637C

Deuteranopia (green-blind)

#4F5B7B

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #30657b;
/* rgb */ color: rgb(48, 101, 123);
/* oklch */ color: oklch(48.0% 0.066 227.7);

Tailwind

colors: {
  custom: {
    50: '#7091a1',
    500: '#30657b',
    950: '#000000',
  },
}

SCSS

$custom: #30657b;
$custom-light: #7091a1;
$custom-dark: #000000;

JSON

{
  "hex": "#30657b",
  "rgb": {
    "r": 48,
    "g": 101,
    "b": 123
  },
  "hsl": {
    "h": 197.6,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.48002,
    "c": 0.06638,
    "h": 227.7
  },
  "luminance": 0.11366
}

Semantic roles & 50–950 ramp

primary

#30657B

secondary

#A9745D

accent

#7A54D4

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0F

muted

#7B7D7E

Preview Lab

Preview with #30657B

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

Preview Lab → · Contrast checker → · Palette generator →