#3B7BB5#3B7BB5

#3B7BB5 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.8% C 0.112 H 248.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BB5
RGB	rgb(59, 123, 181)
HSL	hsl(209, 51%, 47%)
HSV	hsv(209, 67%, 71%)
CMYK	cmyk(67.4%, 32%, 0%, 29%)
CIE-LAB	lab(50.01, -1.60, -36.64)
CIE-LCH	lch(50.01, 36.68, 267.50°)
OKLab	oklab(56.77% -0.0411 -0.1037)
OKLCH	oklch(56.77% 0.112 248.4)
XYZ	xyz(17.2240, 18.4301, 46.3568)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BB5 #B5753B

analogous

#3BB5B2 #3B7BB5 #3B3EB5

triadic

#3B7BB5 #B53B7B #7BB53B

tetradic

#3B7BB5 #B23BB5 #B5753B #3EB53B

square

#3B7BB5 #B23BB5 #B5753B #3EB53B

split-complementary

#3B7BB5 #B53B3E #B5B23B

monochromatic

#1D3C59 #2C5C87 #3B7BB5 #6299CC #90B7DB

Accessibility & contrast

On white

4.48

#3B7BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3B7BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BB5

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BB5	#FFFFFF	#000000	##000000
##3B7BB5	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617DB7

Deuteranopia (green-blind)

#5072B4

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3b7bb5;
/* rgb */ color: rgb(59, 123, 181);
/* oklch */ color: oklch(56.8% 0.112 248.4);

Tailwind

colors: {
  custom: {
    50: '#7ea0cb',
    500: '#3b7bb5',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bb5;
$custom-light: #7ea0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bb5",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 181
  },
  "hsl": {
    "h": 208.525,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.56766,
    "c": 0.11153,
    "h": 248.4
  },
  "luminance": 0.18432
}

Semantic roles & 50–950 ramp

primary

#3B7BB5

secondary

#C6A486

accent

#904DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3B7BB5

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

Preview Lab → · Contrast checker → · Palette generator →