#6499E7
Closest named color: Cornflower Blue (#6495ED). oklch(68% 0.129 257.9), rgb(100, 153, 231).
Aa
Black text reads best on this color (7.25:1).
About this color
#6499E7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.129 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.015 away. Black text reads best on it, at 7.25:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #6499E7 |
| RGB | rgb(100, 153, 231) |
| HSL | hsl(216, 73%, 65%) |
| OKLCH | oklch(68% 0.129 257.9) |
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 #6499E7 | 2.89:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #6499E7 | 7.25:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #6499E7 text on white | 2.89:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #6499E7 text on black | 7.25:1 | AAA | Lc -46.7 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF7
oklch(88.5% 0.044 256.8)
-
Step 300
300
#A0C3F5
oklch(80.9% 0.081 257.3)
-
Step 400
400 (this color)
#6499E7
oklch(68% 0.129 257.9)
-
Step 500
500
#4388EB
oklch(63.1% 0.165 257.8)
-
Step 600
600
#216FDA
oklch(55.6% 0.18 257.9)
-
Step 700
700
#135CBD
oklch(49.1% 0.167 258)
-
Step 800
800
#144C99
oklch(42.8% 0.138 258)
-
Step 900
900
#184079
oklch(37.7% 0.107 257.9)
-
Step 950
950
#0F2647
oklch(27% 0.068 257.7)
#6499E7 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) | #799FEA | 0.030 |
| Deuteranopia (no green cones) | #6892E5 | 0.018 |
| Tritanopia (no blue cones) | #00AAB5 | 0.113 |
| Achromatopsia (no color) | #989898 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6499E7
#6499E7
oklch(68% 0.129 257.9)
- #C48D27
#C48D27
oklch(68.1% 0.129 77.8)
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 #6499E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.015
- Chefchaouen Blue #4895EF ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.045
- Soft Blue #6488EA ΔE 0.047
- Perrywinkle #8F8CE7 ΔE 0.059
- Periwinkle Blue #8F99FB ΔE 0.061
- Faded Blue #658CBB ΔE 0.068
- Dodger Blue #1E90FF ΔE 0.068
Use #6499E7 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.