#2F438D#2F438D

#2F438D is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.125 H 268.9°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F438D
RGB	rgb(47, 67, 141)
HSL	hsl(227, 50%, 37%)
HSV	hsv(227, 67%, 55%)
CMYK	cmyk(66.7%, 52.5%, 0%, 44.7%)
CIE-LAB	lab(30.74, 17.53, -43.55)
CIE-LCH	lch(30.74, 46.95, 291.93°)
OKLab	oklab(40.94% -0.0024 -0.1249)
OKLCH	oklch(40.94% 0.125 268.9)
XYZ	xyz(7.9855, 6.5410, 26.0358)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F438D #8D792F

analogous

#2F728D #2F438D #4A2F8D

triadic

#2F438D #8D2F43 #438D2F

tetradic

#2F438D #8D2F72 #8D792F #2F8D4A

square

#2F438D #8D2F72 #8D792F #2F8D4A

split-complementary

#2F438D #8D4A2F #728D2F

monochromatic

#101731 #202D5F #2F438D #3E59BB #697FCD

Accessibility & contrast

On white

9.10

#2F438D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2F438D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F438D

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F438D	#FFFFFF	#000000	##FFFFFF
##2F438D	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D90

Deuteranopia (green-blind)

#00448B

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f438d;
/* rgb */ color: rgb(47, 67, 141);
/* oklch */ color: oklch(40.9% 0.125 268.9);

Tailwind

colors: {
  custom: {
    50: '#7276af',
    500: '#2f438d',
    950: '#000000',
  },
}

SCSS

$custom: #2f438d;
$custom-light: #7276af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f438d",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 227.234,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40939,
    "c": 0.12495,
    "h": 268.9
  },
  "luminance": 0.06542
}

Semantic roles & 50–950 ramp

primary

#2F438D

secondary

#B4A364

accent

#BC4EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2F438D

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

Preview Lab → · Contrast checker → · Palette generator →