#616EE1
Closest named color: Royal Blue (#4169E1). oklch(58.7% 0.173 274.9), rgb(97, 110, 225).
Aa
Black text reads best on this color (4.82:1).
About this color
#616EE1 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.173 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.041 away. Black text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #616EE1 |
| RGB | rgb(97, 110, 225) |
| HSL | hsl(234, 68%, 63%) |
| OKLCH | oklch(58.7% 0.173 274.9) |
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 #616EE1 | 4.35:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #616EE1 | 4.82:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #616EE1 text on white | 4.35:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #616EE1 text on black | 4.82:1 | AA | Lc -31.8 | 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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F6
oklch(88.6% 0.042 273.7)
-
Step 300
300
#B1BDF4
oklch(80.8% 0.079 274.9)
-
Step 400
400
#8A99EE
oklch(70.6% 0.125 275.1)
-
Step 500
500
#6F7EE8
oklch(63.2% 0.159 274.9)
-
Step 600
600 (this color)
#616EE1
oklch(58.7% 0.173 274.9)
-
Step 700
700
#4952BA
oklch(49% 0.162 275)
-
Step 800
800
#3C4496
oklch(42.7% 0.133 275.1)
-
Step 900
900
#333A78
oklch(37.7% 0.105 275.3)
-
Step 950
950
#1D2346
oklch(27.1% 0.065 273.9)
#616EE1 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) | #2F7FE5 | 0.058 |
| Deuteranopia (no green cones) | #1374DF | 0.063 |
| Tritanopia (no blue cones) | #0B889D | 0.153 |
| Achromatopsia (no color) | #797979 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616EE1
#616EE1
oklch(58.7% 0.173 274.9)
- #937B00
#937B00
oklch(58.8% 0.121 95.3)
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 #616EE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.041
- Medium Slate Blue #7B68EE ΔE 0.043
- Cornflower #6A79F7 ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.054
- Neon Blue #4361EE ΔE 0.055
- Iris #6258C4 ΔE 0.066
Use #616EE1 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.