#307EAD#307EAD

#307EAD is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.104 H 239.1°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#307EAD
RGB	rgb(48, 126, 173)
HSL	hsl(203, 57%, 43%)
HSV	hsv(203, 72%, 68%)
CMYK	cmyk(72.3%, 27.2%, 0%, 32.2%)
CIE-LAB	lab(50.17, -7.90, -31.79)
CIE-LCH	lch(50.17, 32.76, 256.04°)
OKLab	oklab(56.67% -0.0536 -0.0897)
OKLCH	oklch(56.67% 0.104 239.1)
XYZ	xyz(16.2197, 18.5654, 42.2557)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EAD #AD5F30

analogous

#30AD9D #307EAD #303FAD

triadic

#307EAD #AD307E #7EAD30

tetradic

#307EAD #9D30AD #AD5F30 #3FAD30

square

#307EAD #9D30AD #AD5F30 #3FAD30

split-complementary

#307EAD #AD303F #AD9D30

monochromatic

#15384D #235B7D #307EAD #4D9DCE #7DB7DB

Accessibility & contrast

On white

4.46

#307EAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#307EAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EAD

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EAD	#FFFFFF	#000000	##000000
##307EAD	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EAF

Deuteranopia (green-blind)

#5772AC

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #307ead;
/* rgb */ color: rgb(48, 126, 173);
/* oklch */ color: oklch(56.7% 0.104 239.1);

Tailwind

colors: {
  custom: {
    50: '#78a3c5',
    500: '#307ead',
    950: '#000000',
  },
}

SCSS

$custom: #307ead;
$custom-light: #78a3c5;
$custom-dark: #000000;

JSON

{
  "hex": "#307ead",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 173
  },
  "hsl": {
    "h": 202.56,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56667,
    "c": 0.10449,
    "h": 239.1
  },
  "luminance": 0.18567
}

Semantic roles & 50–950 ramp

primary

#307EAD

secondary

#C39375

accent

#8148E0

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #307EAD

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

Preview Lab → · Contrast checker → · Palette generator →