#3B7EBA#3B7EBA

#3B7EBA is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.115 H 248.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3B7EBA
RGB	rgb(59, 126, 186)
HSL	hsl(208, 52%, 48%)
HSV	hsv(208, 68%, 73%)
CMYK	cmyk(68.3%, 32.3%, 0%, 27.1%)
CIE-LAB	lab(51.15, -1.63, -37.74)
CIE-LCH	lch(51.15, 37.77, 267.52°)
OKLab	oklab(57.74% -0.0427 -0.1068)
OKLCH	oklch(57.74% 0.115 248.2)
XYZ	xyz(18.1241, 19.3948, 49.2333)
Luminance	0.1940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7EBA #BA773B

analogous

#3BBAB6 #3B7EBA #3B3FBA

triadic

#3B7EBA #BA3B7E #7EBA3B

tetradic

#3B7EBA #B63BBA #BA773B #3FBA3B

square

#3B7EBA #B63BBA #BA773B #3FBA3B

split-complementary

#3B7EBA #BA3B3F #BAB63B

monochromatic

#1E3F5D #2C5F8C #3B7EBA #649CCE #93BADD

Accessibility & contrast

On white

4.30

#3B7EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3B7EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7EBA

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7EBA	#FFFFFF	#000000	##000000
##3B7EBA	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BD

Deuteranopia (green-blind)

#5274B9

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3b7eba;
/* rgb */ color: rgb(59, 126, 186);
/* oklch */ color: oklch(57.7% 0.115 248.2);

Tailwind

colors: {
  custom: {
    50: '#7fa3cf',
    500: '#3b7eba',
    950: '#000000',
  },
}

SCSS

$custom: #3b7eba;
$custom-light: #7fa3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7eba",
  "rgb": {
    "r": 59,
    "g": 126,
    "b": 186
  },
  "hsl": {
    "h": 208.346,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57737,
    "c": 0.11507,
    "h": 248.2
  },
  "luminance": 0.19397
}

Semantic roles & 50–950 ramp

primary

#3B7EBA

secondary

#C8A789

accent

#904DDB

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3B7EBA

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

Preview Lab → · Contrast checker → · Palette generator →