#307CCA#307CCA

#307CCA is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.141 H 252.1°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#307CCA
RGB	rgb(48, 124, 202)
HSL	hsl(210, 62%, 49%)
HSV	hsv(210, 76%, 79%)
CMYK	cmyk(76.2%, 38.6%, 0%, 20.8%)
CIE-LAB	lab(51.04, 3.80, -47.08)
CIE-LCH	lch(51.04, 47.23, 274.62°)
OKLab	oklab(57.83% -0.0434 -0.1343)
OKLCH	oklch(57.83% 0.141 252.1)
XYZ	xyz(19.0832, 19.3057, 58.5863)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CCA #CA7E30

analogous

#30C9CA #307CCA #3130CA

triadic

#307CCA #CA307C #7CCA30

tetradic

#307CCA #CA30C9 #CA7E30 #30CA31

square

#307CCA #CA30C9 #CA7E30 #30CA31

split-complementary

#307CCA #CA3130 #C9CA30

monochromatic

#183F67 #245E99 #307CCA #5E9BD9 #90BAE5

Accessibility & contrast

On white

4.32

#307CCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#307CCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CCA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CCA	#FFFFFF	#000000	##000000
##307CCA	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5781CD

Deuteranopia (green-blind)

#3F73C8

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #307cca;
/* rgb */ color: rgb(48, 124, 202);
/* oklch */ color: oklch(57.8% 0.141 252.1);

Tailwind

colors: {
  custom: {
    50: '#7ea1da',
    500: '#307cca',
    950: '#000000',
  },
}

SCSS

$custom: #307cca;
$custom-light: #7ea1da;
$custom-dark: #000000;

JSON

{
  "hex": "#307cca",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 202
  },
  "hsl": {
    "h": 210.39,
    "s": 61.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57829,
    "c": 0.14115,
    "h": 252.1
  },
  "luminance": 0.19308
}

Semantic roles & 50–950 ramp

primary

#307CCA

secondary

#CFAB87

accent

#9543E5

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #307CCA

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

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