#2D5DAB#2D5DAB

#2D5DAB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.136 H 259.7°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#2D5DAB
RGB	rgb(45, 93, 171)
HSL	hsl(217, 58%, 42%)
HSV	hsv(217, 74%, 67%)
CMYK	cmyk(73.7%, 45.6%, 0%, 32.9%)
CIE-LAB	lab(40.12, 11.30, -46.54)
CIE-LCH	lch(40.12, 47.89, 283.65°)
OKLab	oklab(48.73% -0.0243 -0.1333)
OKLCH	oklch(48.73% 0.136 259.7)
XYZ	xyz(12.3446, 11.3255, 40.0556)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D5DAB #AB7B2D

analogous

#2D9CAB #2D5DAB #3C2DAB

triadic

#2D5DAB #AB2D5D #5DAB2D

tetradic

#2D5DAB #AB2D9C #AB7B2D #2DAB3C

square

#2D5DAB #AB2D9C #AB7B2D #2DAB3C

split-complementary

#2D5DAB #AB3C2D #9CAB2D

monochromatic

#14284A #20437B #2D5DAB #477ACE #779DDB

Accessibility & contrast

On white

6.43

#2D5DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#2D5DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D5DAB

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D5DAB	#FFFFFF	#000000	##FFFFFF
##2D5DAB	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3565AE

Deuteranopia (green-blind)

#1B59A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2d5dab;
/* rgb */ color: rgb(45, 93, 171);
/* oklch */ color: oklch(48.7% 0.136 259.7);

Tailwind

colors: {
  custom: {
    50: '#778ac4',
    500: '#2d5dab',
    950: '#000000',
  },
}

SCSS

$custom: #2d5dab;
$custom-light: #778ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d5dab",
  "rgb": {
    "r": 45,
    "g": 93,
    "b": 171
  },
  "hsl": {
    "h": 217.143,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48733,
    "c": 0.13551,
    "h": 259.7
  },
  "luminance": 0.11327
}

Semantic roles & 50–950 ramp

primary

#2D5DAB

secondary

#C3A471

accent

#A646E2

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2D5DAB

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

Preview Lab → · Contrast checker → · Palette generator →