#307B91#307B91

#307B91 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.6% C 0.080 H 220.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#307B91
RGB	rgb(48, 123, 145)
HSL	hsl(194, 50%, 38%)
HSV	hsv(194, 67%, 57%)
CMYK	cmyk(66.9%, 15.2%, 0%, 43.1%)
CIE-LAB	lab(48.05, -15.80, -18.72)
CIE-LCH	lch(48.05, 24.50, 229.84°)
OKLab	oklab(54.58% -0.0609 -0.0522)
OKLCH	oklch(54.58% 0.08 220.6)
XYZ	xyz(13.4106, 16.8372, 29.3257)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307B91 #914630

analogous

#309176 #307B91 #304B91

triadic

#307B91 #91307B #7B9130

tetradic

#307B91 #763091 #914630 #4B9130

square

#307B91 #763091 #914630 #4B9130

split-complementary

#307B91 #91304B #917630

monochromatic

#122D35 #215463 #307B91 #3FA2BF #6DB8CF

Accessibility & contrast

On white

4.81

#307B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#307B91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307B91

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307B91	#FFFFFF	#000000	##FFFFFF
##307B91	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7892

Deuteranopia (green-blind)

#606E91

Tritanopia (blue-blind)

#008282

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #307b91;
/* rgb */ color: rgb(48, 123, 145);
/* oklch */ color: oklch(54.6% 0.080 220.6);

Tailwind

colors: {
  custom: {
    50: '#74a1b1',
    500: '#307b91',
    950: '#000000',
  },
}

SCSS

$custom: #307b91;
$custom-light: #74a1b1;
$custom-dark: #000000;

JSON

{
  "hex": "#307b91",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 145
  },
  "hsl": {
    "h": 193.608,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54583,
    "c": 0.08021,
    "h": 220.6
  },
  "luminance": 0.16839
}

Semantic roles & 50–950 ramp

primary

#307B91

secondary

#B67967

accent

#6E4EDA

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #307B91

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

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