#307A9E#307A9E

#307A9E is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.091 H 233.1°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#307A9E
RGB	rgb(48, 122, 158)
HSL	hsl(200, 53%, 40%)
HSV	hsv(200, 70%, 62%)
CMYK	cmyk(69.6%, 22.8%, 0%, 38%)
CIE-LAB	lab(48.28, -10.84, -26.01)
CIE-LCH	lch(48.28, 28.18, 247.38°)
OKLab	oklab(54.94% -0.0548 -0.073)
OKLCH	oklch(54.94% 0.091 233.1)
XYZ	xyz(14.3476, 17.0145, 34.8691)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307A9E #9E5430

analogous

#309E8B #307A9E #30439E

triadic

#307A9E #9E307A #7A9E30

tetradic

#307A9E #8B309E #9E5430 #439E30

square

#307A9E #8B309E #9E5430 #439E30

split-complementary

#307A9E #9E3043 #9E8B30

monochromatic

#133240 #22566F #307A9E #459CC6 #74B5D5

Accessibility & contrast

On white

4.77

#307A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#307A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307A9E

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307A9E	#FFFFFF	#000000	##FFFFFF
##307A9E	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6879A0

Deuteranopia (green-blind)

#596E9D

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #307a9e;
/* rgb */ color: rgb(48, 122, 158);
/* oklch */ color: oklch(54.9% 0.091 233.1);

Tailwind

colors: {
  custom: {
    50: '#76a0ba',
    500: '#307a9e',
    950: '#000000',
  },
}

SCSS

$custom: #307a9e;
$custom-light: #76a0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307a9e",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 158
  },
  "hsl": {
    "h": 199.636,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54939,
    "c": 0.09128,
    "h": 233.1
  },
  "luminance": 0.17016
}

Semantic roles & 50–950 ramp

primary

#307A9E

secondary

#BD876D

accent

#7B4BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #307A9E

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

Preview Lab → · Contrast checker → · Palette generator →