#307FBA#307FBA

#307FBA is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.119 H 244.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#307FBA
RGB	rgb(48, 127, 186)
HSL	hsl(206, 59%, 46%)
HSV	hsv(206, 74%, 73%)
CMYK	cmyk(74.2%, 31.7%, 0%, 27.1%)
CIE-LAB	lab(51.09, -3.85, -37.84)
CIE-LCH	lch(51.09, 38.04, 264.20°)
OKLab	oklab(57.6% -0.0505 -0.1073)
OKLCH	oklch(57.6% 0.119 244.8)
XYZ	xyz(17.6678, 19.3503, 49.2487)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FBA #BA6B30

analogous

#30BAB0 #307FBA #303ABA

triadic

#307FBA #BA307F #7FBA30

tetradic

#307FBA #B030BA #BA6B30 #3ABA30

square

#307FBA #B030BA #BA6B30 #3ABA30

split-complementary

#307FBA #BA303A #BAB030

monochromatic

#173D59 #235E89 #307FBA #549DD3 #85B9DF

Accessibility & contrast

On white

4.31

#307FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#307FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FBA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FBA	#FFFFFF	#000000	##000000
##307FBA	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BD

Deuteranopia (green-blind)

#5174B9

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #307fba;
/* rgb */ color: rgb(48, 127, 186);
/* oklch */ color: oklch(57.6% 0.119 244.8);

Tailwind

colors: {
  custom: {
    50: '#7ba3cf',
    500: '#307fba',
    950: '#000000',
  },
}

SCSS

$custom: #307fba;
$custom-light: #7ba3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#307fba",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 186
  },
  "hsl": {
    "h": 205.652,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57598,
    "c": 0.11855,
    "h": 244.8
  },
  "luminance": 0.19352
}

Semantic roles & 50–950 ramp

primary

#307FBA

secondary

#C99D7D

accent

#8946E2

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #307FBA

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

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