#6396DD
Closest named color: Cornflower Blue (#6495ED). oklch(66.8% 0.12 256.9), rgb(99, 150, 221).
Aa
Black text reads best on this color (6.93:1).
About this color
#6396DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.120 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.025 away. Black text reads best on it, at 6.93:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.93:1 |
| White text | 3.02:1 |
Values
| HEX | #6396DD |
| RGB | rgb(99, 150, 221) |
| HSL | hsl(215, 64%, 63%) |
| OKLCH | oklch(66.8% 0.12 256.9) |
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 #6396DD | 3.02:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #6396DD | 6.93:1 | AA | Lc 47.2 | Large or bold text, headings |
| #6396DD text on white | 3.02:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #6396DD text on black | 6.93:1 | AA | Lc -44.9 | Non-text elements, placeholder text |
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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDAEF
oklch(88.4% 0.033 258.4)
-
Step 300
300
#A9C3E7
oklch(81% 0.058 256.6)
-
Step 400
400
#7BA3DB
oklch(70.8% 0.094 256.9)
-
Step 500
500 (this color)
#6396DD
oklch(66.8% 0.12 256.9)
-
Step 600
600
#3D73BE
oklch(55.5% 0.131 257.1)
-
Step 700
700
#2F60A4
oklch(49% 0.122 257.2)
-
Step 800
800
#284F85
oklch(42.7% 0.1 257)
-
Step 900
900
#25426A
oklch(37.7% 0.077 256.8)
-
Step 950
950
#16273E
oklch(27% 0.049 256.3)
#6396DD 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) | #799BE0 | 0.030 |
| Deuteranopia (no green cones) | #6A8FDC | 0.019 |
| Tritanopia (no blue cones) | #0DA6AF | 0.107 |
| Achromatopsia (no color) | #949494 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6396DD
#6396DD
oklch(66.8% 0.12 256.9)
- #BD8A32
#BD8A32
oklch(66.8% 0.119 77.3)
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 #6396DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.025
- Chefchaouen Blue #4895EF ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.041
- Soft Blue #6488EA ΔE 0.046
- Faded Blue #658CBB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.072
- Dodger Blue #1E90FF ΔE 0.073
Use #6396DD 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.