#307BCA#307BCA

#307BCA is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.142 H 252.6°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#307BCA
RGB	rgb(48, 123, 202)
HSL	hsl(211, 62%, 49%)
HSV	hsv(211, 76%, 79%)
CMYK	cmyk(76.2%, 39.1%, 0%, 20.8%)
CIE-LAB	lab(50.75, 4.41, -47.54)
CIE-LCH	lch(50.75, 47.74, 275.30°)
OKLab	oklab(57.6% -0.0425 -0.1357)
OKLCH	oklch(57.6% 0.142 252.6)
XYZ	xyz(18.9586, 19.0564, 58.5447)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307BCA #CA7F30

analogous

#30C8CA #307BCA #3230CA

triadic

#307BCA #CA307B #7BCA30

tetradic

#307BCA #CA30C8 #CA7F30 #30CA32

square

#307BCA #CA30C8 #CA7F30 #30CA32

split-complementary

#307BCA #CA3230 #C8CA30

monochromatic

#183F67 #245D99 #307BCA #5E9AD9 #90B9E5

Accessibility & contrast

On white

4.36

#307BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#307BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307BCA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307BCA	#FFFFFF	#000000	##000000
##307BCA	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5681CD

Deuteranopia (green-blind)

#3D72C8

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #307bca;
/* rgb */ color: rgb(48, 123, 202);
/* oklch */ color: oklch(57.6% 0.142 252.6);

Tailwind

colors: {
  custom: {
    50: '#7ea0da',
    500: '#307bca',
    950: '#000000',
  },
}

SCSS

$custom: #307bca;
$custom-light: #7ea0da;
$custom-dark: #000000;

JSON

{
  "hex": "#307bca",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 202
  },
  "hsl": {
    "h": 210.779,
    "s": 61.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57603,
    "c": 0.14218,
    "h": 252.6
  },
  "luminance": 0.19059
}

Semantic roles & 50–950 ramp

primary

#307BCA

secondary

#CFAC87

accent

#9643E5

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #307BCA

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

Preview Lab → · Contrast checker → · Palette generator →