#3A7DCB#3A7DCB

#3A7DCB is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.4% C 0.138 H 254.1°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3A7DCB
RGB	rgb(58, 125, 203)
HSL	hsl(212, 58%, 51%)
HSV	hsv(212, 71%, 80%)
CMYK	cmyk(71.4%, 38.4%, 0%, 20.4%)
CIE-LAB	lab(51.70, 4.87, -46.59)
CIE-LCH	lch(51.70, 46.84, 275.97°)
OKLab	oklab(58.45% -0.0379 -0.1327)
OKLCH	oklch(58.45% 0.138 254.1)
XYZ	xyz(19.8540, 19.8764, 59.2785)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7DCB #CB883A

analogous

#3AC5CB #3A7DCB #3F3ACB

triadic

#3A7DCB #CB3A7D #7DCB3A

tetradic

#3A7DCB #CB3AC5 #CB883A #3ACB3F

square

#3A7DCB #CB3AC5 #CB883A #3ACB3F

split-complementary

#3A7DCB #CB3F3A #C5CB3A

monochromatic

#1D426E #2A5F9E #3A7DCB #6A9DD8 #9BBDE5

Accessibility & contrast

On white

4.22

#3A7DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3A7DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7DCB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7DCB	#FFFFFF	#000000	##000000
##3A7DCB	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5983CE

Deuteranopia (green-blind)

#4375C9

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3a7dcb;
/* rgb */ color: rgb(58, 125, 203);
/* oklch */ color: oklch(58.4% 0.138 254.1);

Tailwind

colors: {
  custom: {
    50: '#81a2db',
    500: '#3a7dcb',
    950: '#000000',
  },
}

SCSS

$custom: #3a7dcb;
$custom-light: #81a2db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7dcb",
  "rgb": {
    "r": 58,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 212.276,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58445,
    "c": 0.13805,
    "h": 254.1
  },
  "luminance": 0.19879
}

Semantic roles & 50–950 ramp

primary

#3A7DCB

secondary

#D0B390

accent

#9A46E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3A7DCB

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

Preview Lab → · Contrast checker → · Palette generator →