#1976B3#1976B3

#1976B3 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.5% C 0.125 H 244.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#1976B3
RGB	rgb(25, 118, 179)
HSL	hsl(204, 75%, 40%)
HSV	hsv(204, 86%, 70%)
CMYK	cmyk(86%, 34.1%, 0%, 29.8%)
CIE-LAB	lab(47.52, -3.50, -39.48)
CIE-LCH	lch(47.52, 39.64, 264.94°)
OKLab	oklab(54.51% -0.0547 -0.1124)
OKLCH	oklch(54.51% 0.125 244)
XYZ	xyz(15.0128, 16.4163, 45.0165)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1976B3 #B35619

analogous

#19B3A3 #1976B3 #1929B3

triadic

#1976B3 #B31976 #76B319

tetradic

#1976B3 #A319B3 #B35619 #29B319

square

#1976B3 #A319B3 #B35619 #29B319

split-complementary

#1976B3 #B31929 #B3A319

monochromatic

#0A2F48 #12537D #1976B3 #2898E1 #5EB2E8

Accessibility & contrast

On white

4.90

#1976B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#1976B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1976B3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1976B3	#FFFFFF	#000000	##FFFFFF
##1976B3	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B6

Deuteranopia (green-blind)

#436BB2

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1976b3;
/* rgb */ color: rgb(25, 118, 179);
/* oklch */ color: oklch(54.5% 0.125 244.0);

Tailwind

colors: {
  custom: {
    50: '#739dca',
    500: '#1976b3',
    950: '#000000',
  },
}

SCSS

$custom: #1976b3;
$custom-light: #739dca;
$custom-dark: #000000;

JSON

{
  "hex": "#1976b3",
  "rgb": {
    "r": 25,
    "g": 118,
    "b": 179
  },
  "hsl": {
    "h": 203.766,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.5451,
    "c": 0.125,
    "h": 244
  },
  "luminance": 0.16418
}

Semantic roles & 50–950 ramp

primary

#1976B3

secondary

#CC885B

accent

#8036F2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #1976B3

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

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