#499AEF
Closest named color: Chefchaouen Blue (#4895EF). oklch(67.5% 0.149 251.9), rgb(73, 154, 239).
Aa
Black text reads best on this color (7.15:1).
About this color
#499AEF is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.149 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.014 away. Black text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.15:1 |
| White text | 2.93:1 |
Values
| HEX | #499AEF |
| RGB | rgb(73, 154, 239) |
| HSL | hsl(211, 84%, 61%) |
| OKLCH | oklch(67.5% 0.149 251.9) |
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 #499AEF | 2.93:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #499AEF | 7.15:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #499AEF text on white | 2.93:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #499AEF text on black | 7.15:1 | AAA | Lc -46.3 | 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 400.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200
#C1DCFB
oklch(88.5% 0.052 252)
-
Step 300
300
#94C5FC
oklch(80.9% 0.094 251.8)
-
Step 400
400 (this color)
#499AEF
oklch(67.5% 0.149 251.9)
-
Step 500
500
#008AF6
oklch(63% 0.189 252)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#00427B
oklch(37.7% 0.113 252.1)
-
Step 950
950
#01274B
oklch(27% 0.078 251.6)
#499AEF 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) | #749FF3 | 0.045 |
| Deuteranopia (no green cones) | #5B90ED | 0.028 |
| Tritanopia (no blue cones) | #00AEB9 | 0.115 |
| Achromatopsia (no color) | #979797 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499AEF
#499AEF
oklch(67.5% 0.149 251.9)
- #CD8500
#CD8500
oklch(67.5% 0.145 71.5)
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 #499AEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.014
- Cornflower Blue #6495ED ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.035
- Dodger Blue #1E90FF ΔE 0.047
- Soft Blue #6488EA ΔE 0.049
- Periwinkle Blue #8F99FB ΔE 0.078
- Perrywinkle #8F8CE7 ΔE 0.079
- Faded Blue #658CBB ΔE 0.079
Use #499AEF 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.