#3A7EBA#3A7EBA

#3A7EBA is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.115 H 247.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3A7EBA
RGB	rgb(58, 126, 186)
HSL	hsl(208, 52%, 48%)
HSV	hsv(208, 69%, 73%)
CMYK	cmyk(68.8%, 32.3%, 0%, 27.1%)
CIE-LAB	lab(51.11, -1.79, -37.80)
CIE-LCH	lch(51.11, 37.84, 267.29°)
OKLab	oklab(57.7% -0.0434 -0.107)
OKLCH	oklch(57.7% 0.115 247.9)
XYZ	xyz(18.0654, 19.3645, 49.2305)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7EBA #BA763A

analogous

#3ABAB6 #3A7EBA #3A3EBA

triadic

#3A7EBA #BA3A7E #7EBA3A

tetradic

#3A7EBA #B63ABA #BA763A #3EBA3A

square

#3A7EBA #B63ABA #BA763A #3EBA3A

split-complementary

#3A7EBA #BA3A3E #BAB63A

monochromatic

#1D3F5D #2B5E8B #3A7EBA #639CCE #92BADD

Accessibility & contrast

On white

4.31

#3A7EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#3A7EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7EBA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7EBA	#FFFFFF	#000000	##000000
##3A7EBA	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BD

Deuteranopia (green-blind)

#5174B9

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3a7eba;
/* rgb */ color: rgb(58, 126, 186);
/* oklch */ color: oklch(57.7% 0.115 247.9);

Tailwind

colors: {
  custom: {
    50: '#7fa3cf',
    500: '#3a7eba',
    950: '#000000',
  },
}

SCSS

$custom: #3a7eba;
$custom-light: #7fa3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7eba",
  "rgb": {
    "r": 58,
    "g": 126,
    "b": 186
  },
  "hsl": {
    "h": 208.125,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57699,
    "c": 0.11548,
    "h": 247.9
  },
  "luminance": 0.19366
}

Semantic roles & 50–950 ramp

primary

#3A7EBA

secondary

#C8A688

accent

#8F4CDC

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3A7EBA

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

Preview Lab → · Contrast checker → · Palette generator →