#617EDF
Closest named color: Soft Blue (#6488EA). oklch(61.7% 0.15 269.1), rgb(97, 126, 223).
Aa
Black text reads best on this color (5.55:1).
About this color
#617EDF is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.150 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.029 away. Black text reads best on it, at 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.55:1 |
| White text | 3.77:1 |
Values
| HEX | #617EDF |
| RGB | rgb(97, 126, 223) |
| HSL | hsl(226, 66%, 63%) |
| OKLCH | oklch(61.7% 0.15 269.1) |
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 #617EDF | 3.77:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #617EDF | 5.55:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #617EDF text on white | 3.77:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #617EDF text on black | 5.55:1 | AA | Lc -36.6 | 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 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#ADBFF1
oklch(80.8% 0.074 269.3)
-
Step 400
400
#839DEA
oklch(70.8% 0.117 269.1)
-
Step 500
500 (this color)
#617EDF
oklch(61.7% 0.15 269.1)
-
Step 600
600
#4D6AD2
oklch(55.7% 0.163 268.9)
-
Step 700
700
#3F57B6
oklch(49.1% 0.153 269.4)
-
Step 800
800
#344893
oklch(42.8% 0.125 269.3)
-
Step 900
900
#2D3D75
oklch(37.7% 0.098 269.3)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#617EDF 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) | #5389E3 | 0.030 |
| Deuteranopia (no green cones) | #427EDD | 0.032 |
| Tritanopia (no blue cones) | #0793A4 | 0.133 |
| Achromatopsia (no color) | #838383 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617EDF
#617EDF
oklch(61.7% 0.15 269.1)
- #A48000
#A48000
oklch(61.7% 0.126 88.8)
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 #617EDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.029
- Cornflower #6A79F7 ΔE 0.041
- Dark Sky Blue #448EE4 ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.067
- Windows Blue #3778BF ΔE 0.069
- Clear Blue #247AFD ΔE 0.069
Use #617EDF 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.