#3F7EAF#3F7EAF

#3F7EAF is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.100 H 244.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EAF
RGB	rgb(63, 126, 175)
HSL	hsl(206, 47%, 47%)
HSV	hsv(206, 64%, 69%)
CMYK	cmyk(64%, 28%, 0%, 31.4%)
CIE-LAB	lab(50.77, -4.74, -31.98)
CIE-LCH	lch(50.77, 32.33, 261.56°)
OKLab	oklab(57.31% -0.0433 -0.0901)
OKLCH	oklch(57.31% 0.1 244.3)
XYZ	xyz(17.2457, 19.0719, 43.3215)
Luminance	0.1907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EAF #AF703F

analogous

#3FAFA8 #3F7EAF #3F46AF

triadic

#3F7EAF #AF3F7E #7EAF3F

tetradic

#3F7EAF #A83FAF #AF703F #46AF3F

square

#3F7EAF #A83FAF #AF703F #46AF3F

split-complementary

#3F7EAF #AF3F46 #AFA83F

monochromatic

#1F3D55 #2F5E82 #3F7EAF #649CC7 #91B9D7

Accessibility & contrast

On white

4.36

#3F7EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3F7EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EAF

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EAF	#FFFFFF	#000000	##000000
##3F7EAF	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB1

Deuteranopia (green-blind)

#5974AE

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7eaf;
/* rgb */ color: rgb(63, 126, 175);
/* oklch */ color: oklch(57.3% 0.100 244.3);

Tailwind

colors: {
  custom: {
    50: '#7fa3c7',
    500: '#3f7eaf',
    950: '#000000',
  },
}

SCSS

$custom: #3f7eaf;
$custom-light: #7fa3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7eaf",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 206.25,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57311,
    "c": 0.09992,
    "h": 244.3
  },
  "luminance": 0.19074
}

Semantic roles & 50–950 ramp

primary

#3F7EAF

secondary

#C3A187

accent

#8C51D7

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3F7EAF

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

Preview Lab → · Contrast checker → · Palette generator →