#3A8FB0#3A8FB0

#3A8FB0 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.2% C 0.095 H 227.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3A8FB0
RGB	rgb(58, 143, 176)
HSL	hsl(197, 50%, 46%)
HSV	hsv(197, 67%, 69%)
CMYK	cmyk(67%, 18.7%, 0%, 31%)
CIE-LAB	lab(55.76, -14.93, -24.82)
CIE-LCH	lch(55.76, 28.96, 238.97°)
OKLab	oklab(61.24% -0.0643 -0.0694)
OKLCH	oklch(61.24% 0.095 227.2)
XYZ	xyz(19.4007, 23.6770, 44.6135)
Luminance	0.2368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A8FB0 #B05B3A

analogous

#3AB096 #3A8FB0 #3A54B0

triadic

#3A8FB0 #B03A8F #8FB03A

tetradic

#3A8FB0 #963AB0 #B05B3A #54B03A

square

#3A8FB0 #963AB0 #B05B3A #54B03A

split-complementary

#3A8FB0 #B03A54 #B0963A

monochromatic

#1C4454 #2B6A82 #3A8FB0 #5DABCA #8BC3D9

Accessibility & contrast

On white

3.66

#3A8FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#3A8FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8FB0

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A8FB0	#FFFFFF	#000000	##000000
##3A8FB0	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB2

Deuteranopia (green-blind)

#6D80B0

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3a8fb0;
/* rgb */ color: rgb(58, 143, 176);
/* oklch */ color: oklch(61.2% 0.095 227.2);

Tailwind

colors: {
  custom: {
    50: '#7eafc7',
    500: '#3a8fb0',
    950: '#000000',
  },
}

SCSS

$custom: #3a8fb0;
$custom-light: #7eafc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a8fb0",
  "rgb": {
    "r": 58,
    "g": 143,
    "b": 176
  },
  "hsl": {
    "h": 196.78,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61243,
    "c": 0.09464,
    "h": 227.2
  },
  "luminance": 0.23679
}

Semantic roles & 50–950 ramp

primary

#3A8FB0

secondary

#C39582

accent

#754EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3A8FB0

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

Preview Lab → · Contrast checker → · Palette generator →