#499CF1
Closest named color: Chefchaouen Blue (#4895EF). oklch(68% 0.15 251.4), rgb(73, 156, 241).
Aa
Black text reads best on this color (7.30:1).
About this color
#499CF1 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.150 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.019 away. Black text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #499CF1 |
| RGB | rgb(73, 156, 241) |
| HSL | hsl(210, 86%, 62%) |
| OKLCH | oklch(68% 0.15 251.4) |
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 #499CF1 | 2.87:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #499CF1 | 7.30:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #499CF1 text on white | 2.87:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #499CF1 text on black | 7.30:1 | AAA | Lc -47.2 | 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 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)
#499CF1
oklch(68% 0.15 251.4)
-
Step 500
500
#008BF4
oklch(63.1% 0.185 251.3)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#00427A
oklch(37.7% 0.112 251.7)
-
Step 950
950
#00274B
oklch(27% 0.079 251.1)
#499CF1 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) | #76A1F5 | 0.047 |
| Deuteranopia (no green cones) | #5D91EF | 0.031 |
| Tritanopia (no blue cones) | #00B0BB | 0.114 |
| Achromatopsia (no color) | #989898 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499CF1
#499CF1
oklch(68% 0.15 251.4)
- #CF8600
#CF8600
oklch(67.9% 0.146 71.3)
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 #499CF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.019
- Cornflower Blue #6495ED ΔE 0.027
- Dark Sky Blue #448EE4 ΔE 0.040
- Dodger Blue #1E90FF ΔE 0.050
- Soft Blue #6488EA ΔE 0.053
- Periwinkle Blue #8F99FB ΔE 0.076
- Perrywinkle #8F8CE7 ΔE 0.080
- Faded Blue #658CBB ΔE 0.083
Use #499CF1 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.