#499BD8
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.5% 0.121 243.6), rgb(73, 155, 216).
Aa
Black text reads best on this color (6.96:1).
About this color
#499BD8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.121 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.042 away. Black text reads best on it, at 6.96:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #499BD8 |
| RGB | rgb(73, 155, 216) |
| HSL | hsl(206, 65%, 57%) |
| OKLCH | oklch(66.5% 0.121 243.6) |
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 #499BD8 | 3.01:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #499BD8 | 6.96:1 | AA | Lc 47.4 | Large or bold text, headings |
| #499BD8 text on white | 3.01:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #499BD8 text on black | 6.96:1 | AA | Lc -45.2 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#A0C6E5
oklch(81% 0.06 243.2)
-
Step 400
400
#6BA7D7
oklch(70.6% 0.094 243.8)
-
Step 500
500 (this color)
#499BD8
oklch(66.5% 0.121 243.6)
-
Step 600
600
#0F79BA
oklch(55.5% 0.132 244)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#075382
oklch(42.6% 0.102 244.1)
-
Step 900
900
#134568
oklch(37.6% 0.079 243.8)
-
Step 950
950
#0E293D
oklch(27.1% 0.05 243.6)
#499BD8 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) | #809CDB | 0.057 |
| Deuteranopia (no green cones) | #6C8ED7 | 0.045 |
| Tritanopia (no blue cones) | #00AAB0 | 0.089 |
| Achromatopsia (no color) | #949494 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499BD8
#499BD8
oklch(66.5% 0.121 243.6)
- #C7823B
#C7823B
oklch(66.5% 0.121 63.6)
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 #499BD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.046
- Faded Blue #658CBB ΔE 0.054
- Soft Blue #6488EA ΔE 0.066
- Water Blue #0E87CC ΔE 0.069
- Cool Blue #4984B8 ΔE 0.072
- Greyblue #77A1B5 ΔE 0.073
Use #499BD8 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.