#3A7BB9#3A7BB9

#3A7BB9 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.117 H 249.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3A7BB9
RGB	rgb(58, 123, 185)
HSL	hsl(209, 52%, 48%)
HSV	hsv(209, 69%, 73%)
CMYK	cmyk(68.6%, 33.5%, 0%, 27.5%)
CIE-LAB	lab(50.18, -0.35, -38.69)
CIE-LCH	lch(50.18, 38.70, 269.48°)
OKLab	oklab(56.95% -0.0406 -0.1097)
OKLCH	oklch(56.95% 0.117 249.7)
XYZ	xyz(17.5816, 18.5664, 48.5466)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7BB9 #B9783A

analogous

#3AB9B7 #3A7BB9 #3A3CB9

triadic

#3A7BB9 #B93A7B #7BB93A

tetradic

#3A7BB9 #B73AB9 #B9783A #3CB93A

square

#3A7BB9 #B73AB9 #B9783A #3CB93A

split-complementary

#3A7BB9 #B93A3C #B9B73A

monochromatic

#1D3D5C #2B5C8A #3A7BB9 #6299CE #91B8DC

Accessibility & contrast

On white

4.46

#3A7BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3A7BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7BB9

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7BB9	#FFFFFF	#000000	##000000
##3A7BB9	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7EBC

Deuteranopia (green-blind)

#4E72B8

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3a7bb9;
/* rgb */ color: rgb(58, 123, 185);
/* oklch */ color: oklch(56.9% 0.117 249.7);

Tailwind

colors: {
  custom: {
    50: '#7ea0ce',
    500: '#3a7bb9',
    950: '#000000',
  },
}

SCSS

$custom: #3a7bb9;
$custom-light: #7ea0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7bb9",
  "rgb": {
    "r": 58,
    "g": 123,
    "b": 185
  },
  "hsl": {
    "h": 209.291,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56948,
    "c": 0.11696,
    "h": 249.7
  },
  "luminance": 0.18568
}

Semantic roles & 50–950 ramp

primary

#3A7BB9

secondary

#C7A787

accent

#924CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A7BB9

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

Preview Lab → · Contrast checker → · Palette generator →