#659DE6
Closest named color: Cornflower Blue (#6495ED). oklch(68.8% 0.124 255.6), rgb(101, 157, 230).
Aa
Black text reads best on this color (7.51:1).
About this color
#659DE6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.124 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.026 away. Black text reads best on it, at 7.51:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #659DE6 |
| RGB | rgb(101, 157, 230) |
| HSL | hsl(214, 72%, 65%) |
| OKLCH | oklch(68.8% 0.124 255.6) |
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 #659DE6 | 2.79:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #659DE6 | 7.51:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #659DE6 text on white | 2.79:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #659DE6 text on black | 7.51:1 | AAA | Lc -48.2 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300
#A0C3F2
oklch(80.8% 0.077 255.9)
-
Step 400
400 (this color)
#659DE6
oklch(68.8% 0.124 255.6)
-
Step 500
500
#408AE6
oklch(63.2% 0.157 255.4)
-
Step 600
600
#1A71D4
oklch(55.5% 0.171 255.6)
-
Step 700
700
#095EB8
oklch(49% 0.16 255.6)
-
Step 800
800
#0F4D95
oklch(42.6% 0.133 255.9)
-
Step 900
900
#164177
oklch(37.7% 0.104 256)
-
Step 950
950
#0E2745
oklch(27.1% 0.064 254.6)
#659DE6 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) | #7FA1E9 | 0.032 |
| Deuteranopia (no green cones) | #6F95E4 | 0.022 |
| Tritanopia (no blue cones) | #00ADB7 | 0.108 |
| Achromatopsia (no color) | #9B9B9B | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #659DE6
#659DE6
oklch(68.8% 0.124 255.6)
- #C78F35
#C78F35
oklch(68.9% 0.124 75.4)
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 #659DE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.026
- Chefchaouen Blue #4895EF ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.054
- Soft Blue #6488EA ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.063
- Faded Blue #658CBB ΔE 0.071
- Dodger Blue #1E90FF ΔE 0.076
Use #659DE6 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.