#3A7FB8#3A7FB8

#3A7FB8 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.112 H 246.4°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3A7FB8
RGB	rgb(58, 127, 184)
HSL	hsl(207, 52%, 47%)
HSV	hsv(207, 68%, 72%)
CMYK	cmyk(68.5%, 31%, 0%, 27.8%)
CIE-LAB	lab(51.31, -3.09, -36.33)
CIE-LCH	lch(51.31, 36.47, 265.14°)
OKLab	oklab(57.82% -0.045 -0.1028)
OKLCH	oklch(57.82% 0.112 246.4)
XYZ	xyz(17.9828, 19.5371, 48.1614)
Luminance	0.1954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A7FB8 #B8733A

analogous

#3AB8B2 #3A7FB8 #3A40B8

triadic

#3A7FB8 #B83A7F #7FB83A

tetradic

#3A7FB8 #B23AB8 #B8733A #40B83A

square

#3A7FB8 #B23AB8 #B8733A #40B83A

split-complementary

#3A7FB8 #B83A40 #B8B23A

monochromatic

#1D3F5B #2B5F89 #3A7FB8 #629DCD #90BADC

Accessibility & contrast

On white

4.28

#3A7FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3A7FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A7FB8

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A7FB8	#FFFFFF	#000000	##000000
##3A7FB8	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6681BA

Deuteranopia (green-blind)

#5475B7

Tritanopia (blue-blind)

#008D93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3a7fb8;
/* rgb */ color: rgb(58, 127, 184);
/* oklch */ color: oklch(57.8% 0.112 246.4);

Tailwind

colors: {
  custom: {
    50: '#7ea3cd',
    500: '#3a7fb8',
    950: '#000000',
  },
}

SCSS

$custom: #3a7fb8;
$custom-light: #7ea3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a7fb8",
  "rgb": {
    "r": 58,
    "g": 127,
    "b": 184
  },
  "hsl": {
    "h": 207.143,
    "s": 52.066,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57824,
    "c": 0.11217,
    "h": 246.4
  },
  "luminance": 0.19539
}

Semantic roles & 50–950 ramp

primary

#3A7FB8

secondary

#C7A487

accent

#8D4CDC

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3A7FB8

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

Preview Lab → · Contrast checker → · Palette generator →