#307EA5#307EA5

#307EA5 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.096 H 234.1°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#307EA5
RGB	rgb(48, 126, 165)
HSL	hsl(200, 55%, 42%)
HSV	hsv(200, 71%, 65%)
CMYK	cmyk(70.9%, 23.6%, 0%, 35.3%)
CIE-LAB	lab(49.82, -10.70, -27.71)
CIE-LCH	lch(49.82, 29.70, 248.88°)
OKLab	oklab(56.26% -0.0564 -0.0779)
OKLCH	oklch(56.26% 0.096 234.1)
XYZ	xyz(15.4686, 18.2650, 38.3003)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EA5 #A55730

analogous

#30A592 #307EA5 #3044A5

triadic

#307EA5 #A5307E #7EA530

tetradic

#307EA5 #9230A5 #A55730 #44A530

square

#307EA5 #9230A5 #A55730 #44A530

split-complementary

#307EA5 #A53044 #A59230

monochromatic

#143646 #225A76 #307EA5 #489FCA #78B8D8

Accessibility & contrast

On white

4.51

#307EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#307EA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA5

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EA5	#FFFFFF	#000000	##000000
##307EA5	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7DA7

Deuteranopia (green-blind)

#5B71A4

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #307ea5;
/* rgb */ color: rgb(48, 126, 165);
/* oklch */ color: oklch(56.3% 0.096 234.1);

Tailwind

colors: {
  custom: {
    50: '#77a3c0',
    500: '#307ea5',
    950: '#000000',
  },
}

SCSS

$custom: #307ea5;
$custom-light: #77a3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#307ea5",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 165
  },
  "hsl": {
    "h": 200,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56264,
    "c": 0.09617,
    "h": 234.1
  },
  "luminance": 0.18267
}

Semantic roles & 50–950 ramp

primary

#307EA5

secondary

#C08B71

accent

#7B4ADE

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #307EA5

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

Preview Lab → · Contrast checker → · Palette generator →