#307A9A#307A9A

#307A9A is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.088 H 230.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#307A9A
RGB	rgb(48, 122, 154)
HSL	hsl(198, 52%, 40%)
HSV	hsv(198, 69%, 60%)
CMYK	cmyk(68.8%, 20.8%, 0%, 39.6%)
CIE-LAB	lab(48.11, -12.21, -23.93)
CIE-LCH	lch(48.11, 26.86, 242.97°)
OKLab	oklab(54.75% -0.0563 -0.067)
OKLCH	oklch(54.75% 0.088 230)
XYZ	xyz(14.0089, 16.8790, 33.0853)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307A9A #9A5030

analogous

#309A85 #307A9A #30459A

triadic

#307A9A #9A307A #7A9A30

tetradic

#307A9A #85309A #9A5030 #459A30

square

#307A9A #85309A #9A5030 #459A30

split-complementary

#307A9A #9A3045 #9A8530

monochromatic

#13303D #21556B #307A9A #439DC4 #72B5D3

Accessibility & contrast

On white

4.80

#307A9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#307A9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307A9A

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307A9A	#FFFFFF	#000000	##FFFFFF
##307A9A	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A789C

Deuteranopia (green-blind)

#5B6E9A

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #307a9a;
/* rgb */ color: rgb(48, 122, 154);
/* oklch */ color: oklch(54.7% 0.088 230.0);

Tailwind

colors: {
  custom: {
    50: '#75a0b8',
    500: '#307a9a',
    950: '#000000',
  },
}

SCSS

$custom: #307a9a;
$custom-light: #75a0b8;
$custom-dark: #000000;

JSON

{
  "hex": "#307a9a",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 154
  },
  "hsl": {
    "h": 198.113,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.54746,
    "c": 0.08753,
    "h": 230
  },
  "luminance": 0.16881
}

Semantic roles & 50–950 ramp

primary

#307A9A

secondary

#BB836B

accent

#774CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #307A9A

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

Preview Lab → · Contrast checker → · Palette generator →