#616AD6
Closest named color: Dark Periwinkle (#665FD1). oklch(57.2% 0.163 276.3), rgb(97, 106, 214).
Aa
White text reads best on this color (4.62:1).
About this color
#616AD6 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.163 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.027 away. White text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.54:1 |
| White text | 4.62:1 |
Values
| HEX | #616AD6 |
| RGB | rgb(97, 106, 214) |
| HSL | hsl(235, 59%, 61%) |
| OKLCH | oklch(57.2% 0.163 276.3) |
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 #616AD6 | 4.62:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #616AD6 | 4.54:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #616AD6 text on white | 4.62:1 | AA | Lc 71.9 | Content text, not long reading |
| #616AD6 text on black | 4.54:1 | AA | Lc -29.8 | Dividers and decoration only |
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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D1D7F5
oklch(88.4% 0.042 276.6)
-
Step 300
300
#B3BDF1
oklch(80.9% 0.074 276.1)
-
Step 400
400
#8D99E9
oklch(70.6% 0.118 276.4)
-
Step 500
500
#737EE3
oklch(63.1% 0.151 276.5)
-
Step 600
600 (this color)
#616AD6
oklch(57.2% 0.163 276.3)
-
Step 700
700
#4D53B5
oklch(49.1% 0.153 276.6)
-
Step 800
800
#3F4592
oklch(42.8% 0.125 276.4)
-
Step 900
900
#353B75
oklch(37.8% 0.098 276.2)
-
Step 950
950
#1F2344
oklch(27.1% 0.061 276.3)
#616AD6 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) | #327ADA | 0.057 |
| Deuteranopia (no green cones) | #2070D4 | 0.061 |
| Tritanopia (no blue cones) | #258296 | 0.143 |
| Achromatopsia (no color) | #757575 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616AD6
#616AD6
oklch(57.2% 0.163 276.3)
- #8C7700
#8C7700
oklch(57.2% 0.118 96.7)
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 #616AD6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.040
- Royal Blue #4169E1 ΔE 0.041
- Iris #6258C4 ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.053
- Neon Blue #4361EE ΔE 0.058
- Warm Blue #4B57DB ΔE 0.059
Use #616AD6 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.