#499BDB
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.6% 0.124 244.9), rgb(73, 155, 219).
Aa
Black text reads best on this color (6.99:1).
About this color
#499BDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.124 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.038 away. Black text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #499BDB |
| RGB | rgb(73, 155, 219) |
| HSL | hsl(206, 67%, 57%) |
| OKLCH | oklch(66.6% 0.124 244.9) |
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 #499BDB | 3.00:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #499BDB | 6.99:1 | AA | Lc 47.6 | Large or bold text, headings |
| #499BDB text on white | 3.00:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #499BDB text on black | 6.99:1 | AA | Lc -45.3 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#A0C5E6
oklch(80.8% 0.061 245.6)
-
Step 400
400
#6AA7D9
oklch(70.7% 0.097 244.5)
-
Step 500
500 (this color)
#499BDB
oklch(66.6% 0.124 244.9)
-
Step 600
600
#0E79BC
oklch(55.6% 0.135 244.7)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#065384
oklch(42.7% 0.105 245.1)
-
Step 900
900
#134569
oklch(37.7% 0.081 244.5)
-
Step 950
950
#0D293E
oklch(27.1% 0.052 244.2)
#499BDB 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) | #7E9DDE | 0.055 |
| Deuteranopia (no green cones) | #6A8FDA | 0.041 |
| Tritanopia (no blue cones) | #00AAB1 | 0.092 |
| Achromatopsia (no color) | #959595 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499BDB
#499BDB
oklch(66.6% 0.124 244.9)
- #C88236
#C88236
oklch(66.6% 0.125 64.6)
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 #499BDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.042
- Faded Blue #658CBB ΔE 0.057
- Soft Blue #6488EA ΔE 0.063
- Water Blue #0E87CC ΔE 0.070
- Dodger Blue #1E90FF ΔE 0.071
- Cool Blue #4984B8 ΔE 0.074
Use #499BDB 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.