#3F7EBF#3F7EBF

#3F7EBF is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.120 H 251.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EBF
RGB	rgb(63, 126, 191)
HSL	hsl(210, 50%, 50%)
HSV	hsv(210, 67%, 75%)
CMYK	cmyk(67%, 34%, 0%, 25.1%)
CIE-LAB	lab(51.54, 0.78, -39.98)
CIE-LCH	lch(51.54, 39.98, 271.11°)
OKLab	oklab(58.17% -0.0385 -0.1133)
OKLCH	oklch(58.17% 0.12 251.2)
XYZ	xyz(18.9112, 19.7381, 52.0933)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EBF #BF803F

analogous

#3FBEBF #3F7EBF #403FBF

triadic

#3F7EBF #BF3F7E #7EBF3F

tetradic

#3F7EBF #BF3FBE #BF803F #3FBF40

square

#3F7EBF #BF3FBE #BF803F #3FBF40

split-complementary

#3F7EBF #BF403F #BEBF3F

monochromatic

#214163 #306091 #3F7EBF #6D9DCF #9BBCDE

Accessibility & contrast

On white

4.24

#3F7EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#3F7EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EBF

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EBF	#FFFFFF	#000000	##000000
##3F7EBF	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6182C2

Deuteranopia (green-blind)

#4F75BE

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7ebf;
/* rgb */ color: rgb(63, 126, 191);
/* oklch */ color: oklch(58.2% 0.120 251.2);

Tailwind

colors: {
  custom: {
    50: '#81a3d2',
    500: '#3f7ebf',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ebf;
$custom-light: #81a3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ebf",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 210.469,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58168,
    "c": 0.11968,
    "h": 251.2
  },
  "luminance": 0.1974
}

Semantic roles & 50–950 ramp

primary

#3F7EBF

secondary

#CAAD90

accent

#954EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #3F7EBF

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

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