#307CA5#307CA5

#307CA5 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.097 H 236.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#307CA5
RGB	rgb(48, 124, 165)
HSL	hsl(201, 55%, 42%)
HSV	hsv(201, 71%, 65%)
CMYK	cmyk(70.9%, 24.8%, 0%, 35.3%)
CIE-LAB	lab(49.20, -9.55, -28.66)
CIE-LCH	lch(49.20, 30.21, 251.56°)
OKLab	oklab(55.78% -0.0544 -0.0806)
OKLCH	oklch(55.78% 0.097 236)
XYZ	xyz(15.2154, 17.7586, 38.2159)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CA5 #A55930

analogous

#30A594 #307CA5 #3041A5

triadic

#307CA5 #A5307C #7CA530

tetradic

#307CA5 #9430A5 #A55930 #41A530

square

#307CA5 #9430A5 #A55930 #41A530

split-complementary

#307CA5 #A53041 #A59430

monochromatic

#143546 #225876 #307CA5 #489CCA #78B6D8

Accessibility & contrast

On white

4.61

#307CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#307CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #307CA5

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CA5	#FFFFFF	#000000	##FFFFFF
##307CA5	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687BA7

Deuteranopia (green-blind)

#5870A4

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #307ca5;
/* rgb */ color: rgb(48, 124, 165);
/* oklch */ color: oklch(55.8% 0.097 236.0);

Tailwind

colors: {
  custom: {
    50: '#77a1c0',
    500: '#307ca5',
    950: '#000000',
  },
}

SCSS

$custom: #307ca5;
$custom-light: #77a1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307ca5",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 165
  },
  "hsl": {
    "h": 201.026,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55775,
    "c": 0.09725,
    "h": 236
  },
  "luminance": 0.1776
}

Semantic roles & 50–950 ramp

primary

#307CA5

secondary

#C08D71

accent

#7E4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #307CA5

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

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