#659AFC
Closest named color: Cornflower Blue (#6495ED). oklch(69.4% 0.155 261.7), rgb(101, 154, 252).
Aa
Black text reads best on this color (7.58:1).
About this color
#659AFC is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.155 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.024 away. Black text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.58:1 |
| White text | 2.76:1 |
Values
| HEX | #659AFC |
| RGB | rgb(101, 154, 252) |
| HSL | hsl(219, 96%, 69%) |
| OKLCH | oklch(69.4% 0.155 261.7) |
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 #659AFC | 2.76:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #659AFC | 7.58:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #659AFC text on white | 2.76:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #659AFC text on black | 7.58:1 | AAA | Lc -48.6 | 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
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C6DAFE
oklch(88.5% 0.054 262.2)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400 (this color)
#659AFC
oklch(69.4% 0.155 261.7)
-
Step 500
500
#4082FF
oklch(63.1% 0.198 261.6)
-
Step 600
600
#2067EF
oklch(55.6% 0.217 261.8)
-
Step 700
700
#1355D0
oklch(49.2% 0.201 261.6)
-
Step 800
800
#1346A8
oklch(42.7% 0.167 261.8)
-
Step 900
900
#163C85
oklch(37.6% 0.13 261.7)
-
Step 950
950
#0E244E
oklch(27% 0.082 261.8)
#659AFC 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) | #70A3FF | 0.028 |
| Deuteranopia (no green cones) | #5B95FA | 0.018 |
| Tritanopia (no blue cones) | #00B0BF | 0.133 |
| Achromatopsia (no color) | #9B9B9B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #659AFC
#659AFC
oklch(69.4% 0.155 261.7)
- #C99200
#C99200
oklch(69.5% 0.143 81.6)
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 #659AFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.024
- Chefchaouen Blue #4895EF ΔE 0.037
- Periwinkle Blue #8F99FB ΔE 0.049
- Soft Blue #6488EA ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.058
- Lavender Blue #8B88F8 ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.061
Use #659AFC 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.