#3A437A#3A437A

#3A437A is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.3% C 0.093 H 274.5°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3A437A
RGB	rgb(58, 67, 122)
HSL	hsl(232, 36%, 35%)
HSV	hsv(232, 52%, 48%)
CMYK	cmyk(52.5%, 45.1%, 0%, 52.2%)
CIE-LAB	lab(30.20, 13.04, -32.58)
CIE-LCH	lch(30.20, 35.09, 291.81°)
OKLab	oklab(40.32% 0.0072 -0.0924)
OKLCH	oklch(40.32% 0.093 274.5)
XYZ	xyz(7.2638, 6.3185, 19.2454)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A437A #7A713A

analogous

#3A637A #3A437A #513A7A

triadic

#3A437A #7A3A43 #437A3A

tetradic

#3A437A #7A3A63 #7A713A #3A7A51

square

#3A437A #7A3A63 #7A713A #3A7A51

split-complementary

#3A437A #7A513A #637A3A

monochromatic

#131527 #262C51 #3A437A #4E5AA3 #727DBC

Accessibility & contrast

On white

9.28

#3A437A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3A437A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A437A

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A437A	#FFFFFF	#000000	##FFFFFF
##3A437A	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4A7C

Deuteranopia (green-blind)

#264579

Tritanopia (blue-blind)

#1F4F58

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3a437a;
/* rgb */ color: rgb(58, 67, 122);
/* oklch */ color: oklch(40.3% 0.093 274.5);

Tailwind

colors: {
  custom: {
    50: '#7576a1',
    500: '#3a437a',
    950: '#000000',
  },
}

SCSS

$custom: #3a437a;
$custom-light: #7576a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a437a",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 122
  },
  "hsl": {
    "h": 231.563,
    "s": 35.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40318,
    "c": 0.09271,
    "h": 274.5
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#3A437A

secondary

#A69D6A

accent

#BC5CCC

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #3A437A

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

Preview Lab → · Contrast checker → · Palette generator →