#6393DC
Closest named color: Cornflower Blue (#6495ED). oklch(66.1% 0.121 258.5), rgb(99, 147, 220).
Aa
Black text reads best on this color (6.73:1).
About this color
#6393DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.121 and its hue 259°. 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 6.73:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #6393DC |
| RGB | rgb(99, 147, 220) |
| HSL | hsl(216, 63%, 63%) |
| OKLCH | oklch(66.1% 0.121 258.5) |
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 #6393DC | 3.11:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #6393DC | 6.73:1 | AA | Lc 46.0 | Large or bold text, headings |
| #6393DC text on white | 3.11:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #6393DC text on black | 6.73:1 | AA | Lc -43.7 | 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
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAEF
oklch(88.4% 0.033 258.4)
-
Step 300
300
#AAC2E7
oklch(80.9% 0.059 259)
-
Step 400
400
#7CA2DC
oklch(70.7% 0.095 258.6)
-
Step 500
500 (this color)
#6393DC
oklch(66.1% 0.121 258.5)
-
Step 600
600
#4072BF
oklch(55.5% 0.132 258.8)
-
Step 700
700
#3260A5
oklch(49.2% 0.122 258.4)
-
Step 800
800
#2A4E86
oklch(42.7% 0.102 259)
-
Step 900
900
#26416B
oklch(37.6% 0.08 258.9)
-
Step 950
950
#17273F
oklch(27.2% 0.05 258.3)
#6393DC 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) | #7598DF | 0.026 |
| Deuteranopia (no green cones) | #668DDA | 0.016 |
| Tritanopia (no blue cones) | #13A3AD | 0.108 |
| Achromatopsia (no color) | #929292 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6393DC
#6393DC
oklch(66.1% 0.121 258.5)
- #BA882C
#BA882C
oklch(66% 0.121 78.5)
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 #6393DC, 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 0.035
- Dark Sky Blue #448EE4 ΔE 0.036
- Soft Blue #6488EA ΔE 0.040
- Faded Blue #658CBB ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.060
- Dodger Blue #1E90FF ΔE 0.071
- Cool Blue #4984B8 ΔE 0.071
Use #6393DC 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.