Nerdulator> put something in

Recognised as Colour

#057DCB

  • #057DCB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#057DCB is a blue with RGB values 5, 125, 203 and HSL 204°, 95%, 41%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#057DCB#057DCB
HEX#057DCB
RGBrgb(5, 125, 203)
RGB (0–1)0.0196, 0.4902, 0.7961
RGB percentages2%, 49%, 79.6%
HSLhsl(203.6, 95.2%, 40.8%)
HSV / HSBhsv(203.6, 97.5%, 79.6%)
CMYK97.5%, 38.4%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer359,883
CSS custom property--colour: #057DCB;

Brightness & contrast

Relative luminance0.19011WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.8:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.8:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#FA8234

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5681CEno red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#3971CAno green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#00909Ano blue cones; rare, and affects men and women equally; ΔE 44.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.8:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.3Steel blue · ΔE 16.8Dodgerblue · ΔE 19.8Deep skyblue · ΔE 29Royal blue · ΔE 31Dark slateblue · ΔE 32.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB5305
Analogous#05CBB6, #051ACB
Triadic#CB057D, #7DCB05
Split complementary#CB051A, #CBB605
Tetradic#B605CB, #CB5305, #1ACB05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FD8FD
Lighter +30%#6EC4FB
Lighter +20%#3CAFFA
Lighter +10%#0A9BF9
Darker −10%#045E99
Darker −20%#034067
Darker −30%#012136
Darker −40%#000204
More saturated +25%#007ED0
Less saturated −25%#1F77B1

Channel breakdown

R5
G125
B203
Red5 (2%)
Green125 (49%)
Blue203 (79.6%)
Hue203.64°
Saturation (HSL)95.19%
Lightness40.78%
Dominant channelBlue
Hex per channelR 05 · G 7D · B CB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “057dcb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.