#6593EA
Closest named color: Cornflower Blue (#6495ED). oklch(66.9% 0.139 262.2), rgb(101, 147, 234).
Aa
Black text reads best on this color (6.91:1).
About this color
#6593EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.139 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.006 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #6593EA |
| RGB | rgb(101, 147, 234) |
| HSL | hsl(219, 76%, 66%) |
| OKLCH | oklch(66.9% 0.139 262.2) |
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 #6593EA | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #6593EA | 6.91:1 | AA | Lc 47.1 | Large or bold text, headings |
| #6593EA text on white | 3.03:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #6593EA text on black | 6.91:1 | AA | Lc -44.8 | 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 400.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A2C1FA
oklch(80.9% 0.088 262.4)
-
Step 400
400 (this color)
#6593EA
oklch(66.9% 0.139 262.2)
-
Step 500
500
#4B84F3
oklch(63.1% 0.177 262.1)
-
Step 600
600
#2E6AE2
oklch(55.5% 0.193 262.2)
-
Step 700
700
#2158C4
oklch(49.1% 0.179 262)
-
Step 800
800
#1D489F
oklch(42.6% 0.15 262.3)
-
Step 900
900
#1D3E7E
oklch(37.8% 0.115 262)
-
Step 950
950
#12254A
oklch(27.1% 0.073 262.2)
#6593EA 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) | #6F9BEE | 0.025 |
| Deuteranopia (no green cones) | #5E8EE8 | 0.016 |
| Tritanopia (no blue cones) | #00A6B3 | 0.124 |
| Achromatopsia (no color) | #949494 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6593EA
#6593EA
oklch(66.9% 0.139 262.2)
- #BF8B00
#BF8B00
oklch(67% 0.138 81.9)
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 #6593EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.006
- Chefchaouen Blue #4895EF ΔE 0.026
- Soft Blue #6488EA ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.037
- Perrywinkle #8F8CE7 ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.060
- Periwinkle Blue #8F99FB ΔE 0.061
Use #6593EA 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.