#5F6DE9
Closest named color: Cornflower (#6A79F7). oklch(59% 0.186 274.4), rgb(95, 109, 233).
Aa
Black text reads best on this color (4.85:1).
About this color
#5F6DE9 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.186 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.039 away. Black text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #5F6DE9 |
| RGB | rgb(95, 109, 233) |
| HSL | hsl(234, 76%, 64%) |
| OKLCH | oklch(59% 0.186 274.4) |
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 #5F6DE9 | 4.32:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #5F6DE9 | 4.85:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #5F6DE9 text on white | 4.32:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #5F6DE9 text on black | 4.85:1 | AA | Lc -32.0 | 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 600.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#CFD8F9
oklch(88.6% 0.047 273.4)
-
Step 300
300
#B0BDF7
oklch(80.9% 0.083 274.6)
-
Step 400
400
#8899F3
oklch(70.7% 0.133 274.4)
-
Step 500
500
#6C7CEF
oklch(63% 0.172 274.4)
-
Step 600
600 (this color)
#5F6DE9
oklch(59% 0.186 274.4)
-
Step 700
700
#4751C0
oklch(49.2% 0.172 274.3)
-
Step 800
800
#3A439B
oklch(42.7% 0.142 274.3)
-
Step 900
900
#31397C
oklch(37.6% 0.113 274.5)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#5F6DE9 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) | #1C80ED | 0.064 |
| Deuteranopia (no green cones) | #0074E6 | 0.064 |
| Tritanopia (no blue cones) | #008AA0 | 0.162 |
| Achromatopsia (no color) | #797979 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F6DE9
#5F6DE9
oklch(59% 0.186 274.4)
- #947B00
#947B00
oklch(58.9% 0.121 94.7)
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 #5F6DE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.039
- Royal Blue #4169E1 ΔE 0.040
- Medium Slate Blue #7B68EE ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.047
- Neon Blue #4361EE ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.059
- Clear Blue #247AFD ΔE 0.060
Use #5F6DE9 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.