#499BDF
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.8% 0.129 246.4), rgb(73, 155, 223).
Aa
Black text reads best on this color (7.03:1).
About this color
#499BDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.129 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.032 away. Black text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #499BDF |
| RGB | rgb(73, 155, 223) |
| HSL | hsl(207, 70%, 58%) |
| OKLCH | oklch(66.8% 0.129 246.4) |
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 #499BDF | 2.98:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #499BDF | 7.03:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #499BDF text on white | 2.98:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #499BDF text on black | 7.03:1 | AAA | Lc -45.6 | 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 500.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#A0C5E8
oklch(80.9% 0.064 247.2)
-
Step 400
400
#6AA7DC
oklch(70.8% 0.101 246)
-
Step 500
500 (this color)
#499BDF
oklch(66.8% 0.129 246.4)
-
Step 600
600
#0D78C0
oklch(55.6% 0.141 246.6)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#055286
oklch(42.6% 0.108 246.6)
-
Step 900
900
#13456B
oklch(37.8% 0.083 245.9)
-
Step 950
950
#0D283F
oklch(26.9% 0.054 247.3)
#499BDF 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) | #7D9DE2 | 0.053 |
| Deuteranopia (no green cones) | #688FDE | 0.040 |
| Tritanopia (no blue cones) | #00ABB3 | 0.096 |
| Achromatopsia (no color) | #959595 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499BDF
#499BDF
oklch(66.8% 0.129 246.4)
- #C9832F
#C9832F
oklch(66.8% 0.129 66.6)
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 #499BDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.039
- Soft Blue #6488EA ΔE 0.060
- Faded Blue #658CBB ΔE 0.061
- Dodger Blue #1E90FF ΔE 0.066
- Water Blue #0E87CC ΔE 0.071
- Cool Blue #4984B8 ΔE 0.078
Use #499BDF 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.