#6499F5
Closest named color: Cornflower Blue (#6495ED). oklch(68.7% 0.148 260.8), rgb(100, 153, 245).
Aa
Black text reads best on this color (7.41:1).
About this color
#6499F5 is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.148 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.014 away. Black text reads best on it, at 7.41:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.41:1 |
| White text | 2.83:1 |
Values
| HEX | #6499F5 |
| RGB | rgb(100, 153, 245) |
| HSL | hsl(218, 88%, 68%) |
| OKLCH | oklch(68.7% 0.148 260.8) |
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 #6499F5 | 2.83:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #6499F5 | 7.41:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #6499F5 text on white | 2.83:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #6499F5 text on black | 7.41:1 | AAA | Lc -47.7 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9FC2FD
oklch(81% 0.092 260.7)
-
Step 400
400 (this color)
#6499F5
oklch(68.7% 0.148 260.8)
-
Step 500
500
#4184F9
oklch(63.1% 0.188 260.7)
-
Step 600
600
#206AE8
oklch(55.6% 0.204 260.6)
-
Step 700
700
#1357CA
oklch(49.1% 0.19 260.8)
-
Step 800
800
#1348A3
oklch(42.7% 0.157 260.7)
-
Step 900
900
#173E82
oklch(37.9% 0.123 260.7)
-
Step 950
950
#0E254C
oklch(27.1% 0.078 260.3)
#6499F5 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) | #72A1F9 | 0.028 |
| Deuteranopia (no green cones) | #5E93F3 | 0.018 |
| Tritanopia (no blue cones) | #00AEBB | 0.128 |
| Achromatopsia (no color) | #9A9A9A | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6499F5
#6499F5
oklch(68.7% 0.148 260.8)
- #C78F00
#C78F00
oklch(68.7% 0.142 80.7)
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 #6499F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.014
- Chefchaouen Blue #4895EF ΔE 0.030
- Soft Blue #6488EA ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.060
Use #6499F5 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.