#307EAF#307EAF

#307EAF is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.107 H 240.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#307EAF
RGB	rgb(48, 126, 175)
HSL	hsl(203, 57%, 44%)
HSV	hsv(203, 73%, 69%)
CMYK	cmyk(72.6%, 28%, 0%, 31.4%)
CIE-LAB	lab(50.27, -7.19, -32.80)
CIE-LCH	lch(50.27, 33.58, 257.63°)
OKLab	oklab(56.77% -0.053 -0.0926)
OKLCH	oklch(56.77% 0.107 240.2)
XYZ	xyz(16.4146, 18.6434, 43.2826)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307EAF #AF6130

analogous

#30AFA0 #307EAF #303EAF

triadic

#307EAF #AF307E #7EAF30

tetradic

#307EAF #A030AF #AF6130 #3EAF30

square

#307EAF #A030AF #AF6130 #3EAF30

split-complementary

#307EAF #AF303E #AFA030

monochromatic

#16394F #235B7F #307EAF #4E9DCE #7EB7DC

Accessibility & contrast

On white

4.44

#307EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#307EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EAF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307EAF	#FFFFFF	#000000	##000000
##307EAF	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB1

Deuteranopia (green-blind)

#5672AE

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307eaf;
/* rgb */ color: rgb(48, 126, 175);
/* oklch */ color: oklch(56.8% 0.107 240.2);

Tailwind

colors: {
  custom: {
    50: '#79a3c7',
    500: '#307eaf',
    950: '#000000',
  },
}

SCSS

$custom: #307eaf;
$custom-light: #79a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#307eaf",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 203.15,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56771,
    "c": 0.10669,
    "h": 240.2
  },
  "luminance": 0.18645
}

Semantic roles & 50–950 ramp

primary

#307EAF

secondary

#C49576

accent

#8248E0

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #307EAF

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

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