#307EB4#307EB4

#307EB4 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.112 H 242.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#307EB4
RGB	rgb(48, 126, 180)
HSL	hsl(205, 58%, 45%)
HSV	hsv(205, 73%, 71%)
CMYK	cmyk(73.3%, 30%, 0%, 29.4%)
CIE-LAB	lab(50.50, -5.41, -35.32)
CIE-LCH	lch(50.50, 35.73, 261.29°)
OKLab	oklab(57.04% -0.0514 -0.0999)
OKLCH	oklch(57.04% 0.112 242.8)
XYZ	xyz(16.9148, 18.8435, 45.9169)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EB4 #B46630

analogous

#30B4A8 #307EB4 #303CB4

triadic

#307EB4 #B4307E #7EB430

tetradic

#307EB4 #A830B4 #B46630 #3CB430

square

#307EB4 #A830B4 #B46630 #3CB430

split-complementary

#307EB4 #B4303C #B4A830

monochromatic

#163A53 #235C84 #307EB4 #519CD1 #81B8DD

Accessibility & contrast

On white

4.40

#307EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#307EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EB4

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EB4	#FFFFFF	#000000	##000000
##307EB4	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657FB6

Deuteranopia (green-blind)

#5373B3

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307eb4;
/* rgb */ color: rgb(48, 126, 180);
/* oklch */ color: oklch(57.0% 0.112 242.8);

Tailwind

colors: {
  custom: {
    50: '#7aa3ca',
    500: '#307eb4',
    950: '#000000',
  },
}

SCSS

$custom: #307eb4;
$custom-light: #7aa3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#307eb4",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 180
  },
  "hsl": {
    "h": 204.545,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.57036,
    "c": 0.11235,
    "h": 242.8
  },
  "luminance": 0.18845
}

Semantic roles & 50–950 ramp

primary

#307EB4

secondary

#C69979

accent

#8647E1

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #307EB4

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

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