#519FD2
Closest named color: Faded Blue (#658CBB). oklch(67.4% 0.108 239.7), rgb(81, 159, 210).
Aa
Black text reads best on this color (7.23:1).
About this color
#519FD2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.108 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.055 away. Black text reads best on it, at 7.23:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #519FD2 |
| RGB | rgb(81, 159, 210) |
| HSL | hsl(204, 59%, 57%) |
| OKLCH | oklch(67.4% 0.108 239.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #519FD2 | 2.90:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #519FD2 | 7.23:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #519FD2 text on white | 2.90:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #519FD2 text on black | 7.23:1 | AAA | Lc -46.7 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDF0
oklch(88.5% 0.037 240.7)
-
Step 300
300
#99C7E8
oklch(80.9% 0.067 239.8)
-
Step 400
400 (this color)
#519FD2
oklch(67.4% 0.108 239.7)
-
Step 500
500
#1893D4
oklch(63.2% 0.138 239.7)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#042A3F
oklch(27.1% 0.056 238.5)
#519FD2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #889FD4 | 0.059 |
| Deuteranopia (no green cones) | #7692D1 | 0.048 |
| Tritanopia (no blue cones) | #00ACB0 | 0.080 |
| Achromatopsia (no color) | #989898 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #519FD2
#519FD2
oklch(67.4% 0.108 239.7)
- #C7864E
#C7864E
oklch(67.5% 0.108 60.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #519FD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.055
- Greyblue #77A1B5 ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.058
- Dark Sky Blue #448EE4 ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.066
- Silver Lake Blue #778DA9 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.073
Use #519FD2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.