#307E9D#307E9D

#307E9D is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.9% C 0.089 H 228.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#307E9D
RGB	rgb(48, 126, 157)
HSL	hsl(197, 53%, 40%)
HSV	hsv(197, 69%, 62%)
CMYK	cmyk(69.4%, 19.7%, 0%, 38.4%)
CIE-LAB	lab(49.48, -13.45, -23.57)
CIE-LCH	lch(49.48, 27.14, 240.29°)
OKLab	oklab(55.88% -0.0594 -0.066)
OKLCH	oklch(55.88% 0.089 228)
XYZ	xyz(14.7631, 17.9828, 34.5847)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307E9D #9D4F30

analogous

#309D85 #307E9D #30489D

triadic

#307E9D #9D307E #7E9D30

tetradic

#307E9D #85309D #9D4F30 #489D30

square

#307E9D #85309D #9D4F30 #489D30

split-complementary

#307E9D #9D3048 #9D8530

monochromatic

#13333F #22586E #307E9D #44A1C6 #73B9D4

Accessibility & contrast

On white

4.57

#307E9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#307E9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307E9D

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307E9D	#FFFFFF	#000000	##000000
##307E9D	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7C9F

Deuteranopia (green-blind)

#5F719D

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307e9d;
/* rgb */ color: rgb(48, 126, 157);
/* oklch */ color: oklch(55.9% 0.089 228.0);

Tailwind

colors: {
  custom: {
    50: '#76a3ba',
    500: '#307e9d',
    950: '#000000',
  },
}

SCSS

$custom: #307e9d;
$custom-light: #76a3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#307e9d",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 157
  },
  "hsl": {
    "h": 197.064,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5588,
    "c": 0.08879,
    "h": 228
  },
  "luminance": 0.17984
}

Semantic roles & 50–950 ramp

primary

#307E9D

secondary

#BC836D

accent

#754BDD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #307E9D

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

Preview Lab → · Contrast checker → · Palette generator →