#334EBB#334EBB

#334EBB is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.174 H 268.3°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#334EBB
RGB	rgb(51, 78, 187)
HSL	hsl(228, 57%, 47%)
HSV	hsv(228, 73%, 73%)
CMYK	cmyk(72.7%, 58.3%, 0%, 26.7%)
CIE-LAB	lab(37.37, 27.94, -60.40)
CIE-LCH	lch(37.37, 66.55, 294.82°)
OKLab	oklab(47.07% -0.0052 -0.1742)
OKLCH	oklch(47.07% 0.174 268.3)
XYZ	xyz(13.0562, 9.7391, 48.1958)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EBB #BBA033

analogous

#3392BB #334EBB #5C33BB

triadic

#334EBB #BB334E #4EBB33

tetradic

#334EBB #BB3392 #BBA033 #33BB5C

square

#334EBB #BB3392 #BBA033 #33BB5C

split-complementary

#334EBB #BB5C33 #92BB33

monochromatic

#19265B #263A8B #334EBB #5971D2 #899ADF

Accessibility & contrast

On white

7.12

#334EBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#334EBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EBB

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EBB	#FFFFFF	#000000	##FFFFFF
##334EBB	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBF

Deuteranopia (green-blind)

#0052B9

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #334ebb;
/* rgb */ color: rgb(51, 78, 187);
/* oklch */ color: oklch(47.1% 0.174 268.3);

Tailwind

colors: {
  custom: {
    50: '#7d7fd0',
    500: '#334ebb',
    950: '#000000',
  },
}

SCSS

$custom: #334ebb;
$custom-light: #7d7fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#334ebb",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 187
  },
  "hsl": {
    "h": 228.088,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4707,
    "c": 0.17432,
    "h": 268.3
  },
  "luminance": 0.0974
}

Semantic roles & 50–950 ramp

primary

#334EBB

secondary

#C9BB81

accent

#C247E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #334EBB

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

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