#6594FD
Closest named color: Cornflower Blue (#6495ED). oklch(68.2% 0.163 264.3), rgb(101, 148, 253).
Aa
Black text reads best on this color (7.20:1).
About this color
#6594FD is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.163 and its hue 264°. 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 7.20:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #6594FD |
| RGB | rgb(101, 148, 253) |
| HSL | hsl(221, 97%, 69%) |
| OKLCH | oklch(68.2% 0.163 264.3) |
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 #6594FD | 2.91:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #6594FD | 7.20:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #6594FD text on white | 2.91:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #6594FD text on black | 7.20:1 | AAA | Lc -46.5 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400 (this color)
#6594FD
oklch(68.2% 0.163 264.3)
-
Step 500
500
#4B80FF
oklch(63.1% 0.197 264.4)
-
Step 600
600
#2C63F5
oklch(55.6% 0.226 264.3)
-
Step 700
700
#2050D6
oklch(49.1% 0.212 264.5)
-
Step 800
800
#1B43AD
oklch(42.7% 0.175 264.3)
-
Step 900
900
#1B3A89
oklch(37.7% 0.137 264.5)
-
Step 950
950
#102350
oklch(27% 0.086 264.2)
#6594FD 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) | #659FFF | 0.028 |
| Deuteranopia (no green cones) | #4F91FB | 0.024 |
| Tritanopia (no blue cones) | #00ACBC | 0.141 |
| Achromatopsia (no color) | #979797 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6594FD
#6594FD
oklch(68.2% 0.163 264.3)
- #C19000
#C19000
oklch(68.2% 0.14 84.2)
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 #6594FD, 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
- Soft Blue #6488EA ΔE 0.039
- Lavender Blue #8B88F8 ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.053
- Periwinkle Blue #8F99FB ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.059
Use #6594FD 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.