#2D59DB#2D59DB

#2D59DB is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 51.6% C 0.205 H 265.3°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#2D59DB
RGB	rgb(45, 89, 219)
HSL	hsl(225, 71%, 52%)
HSV	hsv(225, 79%, 86%)
CMYK	cmyk(79.5%, 59.4%, 0%, 14.1%)
CIE-LAB	lab(42.48, 32.02, -70.59)
CIE-LCH	lch(42.48, 77.51, 294.40°)
OKLab	oklab(51.61% -0.0167 -0.2041)
OKLCH	oklch(51.61% 0.205 265.3)
XYZ	xyz(17.4362, 12.8151, 68.5587)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D59DB #DBAF2D

analogous

#2DB0DB #2D59DB #582DDB

triadic

#2D59DB #DB2D59 #59DB2D

tetradic

#2D59DB #DB2DB0 #DBAF2D #2DDB58

square

#2D59DB #DB2DB0 #DBAF2D #2DDB58

split-complementary

#2D59DB #DB582D #B0DB2D

monochromatic

#152E79 #1E42AD #2D59DB #6182E4 #95ACED

Accessibility & contrast

On white

5.89

#2D59DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2D59DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D59DB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D59DB	#FFFFFF	#000000	##FFFFFF
##2D59DB	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDF

Deuteranopia (green-blind)

#005CD9

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2d59db;
/* rgb */ color: rgb(45, 89, 219);
/* oklch */ color: oklch(51.6% 0.205 265.3);

Tailwind

colors: {
  custom: {
    50: '#8287e7',
    500: '#2d59db',
    950: '#000000',
  },
}

SCSS

$custom: #2d59db;
$custom-light: #8287e7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d59db",
  "rgb": {
    "r": 45,
    "g": 89,
    "b": 219
  },
  "hsl": {
    "h": 224.828,
    "s": 70.732,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51611,
    "c": 0.20477,
    "h": 265.3
  },
  "luminance": 0.12817
}

Semantic roles & 50–950 ramp

primary

#2D59DB

secondary

#D8C58C

accent

#C03AED

background

#F8F8FE

surface

#F0EFFD

border

#CBCAD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #2D59DB

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

Preview Lab → · Contrast checker → · Palette generator →